Abstract: Disclosed is a fastener assembly comprising at least one of a bolt member and a nut member; and a drive element adapted for engagement by an installation/driving tool, said drive element comprising a body. The body of the drive element is joined either to the bolt member or to the nut member by means of an interposed interlayer structure, the interlayer structure being adapted to fracture in torsional shear and/or tensile stress in response to a relative rotational and/or tensile force applied to the drive element with the installation/driving tool.

Abstract: A tubular string having a box end and pin end coupled to one another with a threaded attachment and a coupling assembly. The coupling assembly includes an annular outer thrust ring having an axial end abutting a shoulder on a terminal end of the box end. Included with the coupling assembly is an inner thrust ring, which is also annular, and which has an end that axially abuts a shoulder formed along an outer surface of the pin end. An alternate type of the inner thrust ring is made up of two separate semi-circular members that circumscribe the pin end when positioned in the recess so their arcuate ends adjoin. The inner thrust ring inserts into the outer thrust ring, and has a radial surface on its outer circumference that lands on a shoulder formed along an inner circumference of the outer thrust ring.

Abstract: A rotary cutting tool includes a replaceable cutting head and a tool holder. The replaceable cutting head includes a forward cutting portion and a rearward mounting portion. The mounting portion includes a male coupling member that includes an external thread defined by external inner and outer cylinders. The external thread has concavely curved external thread roots which each merge with a respective straight external loaded surface at a first external root point. The first external root point is spaced apart from the external inner cylinder by a first external radial distance. The first external radial distance is greater than a third and less than two thirds of the external thread height. The tool holder includes a female coupling member that includes an internal thread. When the rotary cutting tool is in a locked position, the external thread is threadingly engaged with the internal thread.

Abstract: A grommet (200, 300, 400), a stud (102), an assembly of a grommet and a stud forming a fastener (100), and a method of assembling a grommet and a stud to form a fastener has the grommet with an interengaging element (250) in a channel wall of the grommet for engaging a cooperating, compatible or complementary interengaging element in a wall of the stud. The grommet and the stud can be assembled by moving the grommet and the stud relative to each other until the interengaging element in the grommet engages the complementary interengaging element in the stud. A family of grommets is described.

Abstract: A metal sucker rod has a first end and a second end spaced apart from the first end. At least one end piece with a recess is configured to receive one of the first end and the second end of the metal sucker rod. The metal sucker rod includes an adhesive applied to at least one of a) the first end and the second end of the steel rod and b) in the recess of the at least one end piece. The adhesive is configured to secure the end piece to one of the first end and the second end.

Abstract: A gear shift linkage mechanism includes a gear shift linkage assembly and a spherical bowl for connecting to a gear shift rocker arm. The gear shift linkage assembly includes a connecting member, a gear shift linkage, a first elastic element, and a second elastic element. One end of the connecting member is connected with the spherical bowl, one end of the gear shift linkage is movably configured in the cavity. One end of the first elastic element presses against the limiting portion, and another end of the first elastic element is supported on the cavity. One end of the second elastic element presses against the limiting portion, and another end of the second elastic element is supported on the first through hole. The gear shift linkage mechanism efficiently improves the buffering and damping effect of the gear shift linkage assembly, and thus prevents damage of the transmission.

Abstract: A triaxial connection leak criterion for assessing and optimizing threaded connections in well tubulars, together with an associated leak safety factor for use in tubular design, is described. The triaxial leak criterion introduces the dependence of leak on hydrostatic pressure and on two constants associated with the connection: a Thread Modulus and a Makeup Leak Resistance. These two constants represent inherent properties of a particular threaded connection, independent of external conditions. Simple lab tests are described for determining the two connection constants, without expensive qualification testing or finite-element analysis. Graphical tools based on the triaxial leak criterion include a leak line and a leak circle for visually assessing the leak risk associated with any of a variety of load cases.

Abstract: Provided is a shift control arrangement in a gearbox, comprising a first shift rod with a first end part connectable to a first power means and second end part connected to a first shift fork; a second shift rod with first end part connectable to a second power means and second end part connected to a second shift fork; a first set of grooves in the first shift rod, a second groove in the second shift rod; and a lock pin between the first and second shift rods, which lock pin, with the first set of grooves and the second groove restrict and/or allow axial movement of the respective first and second shift rods. The first end part of the first shift rod is provided with an axial directed cut out for non-conflicting with the lock pin, and the first end part of the second shift rod is provided with a control surface for axial movement of the lock pin.

Abstract: A threaded coupling for a drill string component includes a body on which is formed a thread. A reduction in stress concentrations and a resistance to bending moments are achieved at the thread by reducing a thread depth at at least one axial end of the thread and by arranging an endmost flank of a crest or root of the thread at an endmost helical turn.

Abstract: The system and method of making an asymmetrical buckling portion in a linkage member that is formed at the same time a hexagonal holding feature is being formed. The presence of the elongated groove drives the force of a buckling event asymmetrically through the inner tie rod ball stud near the area of failure, which influences the tie rod assembly to buckle in the direction of the groove, prior to other components in the linkage system and thus negates the effects of inner tie rod ball stud run-out tolerances that are present in conventional inner tie rod ball studs formed by machining.

Abstract: The present invention discloses about an arrow comprising an elongated hollow body, an arrowhead detachably attached to one end of the elongated body, a nock detachably attached to opposite end of the elongated body; at least one storage device, at least one battery, and at least one ON/OFF switch, which are connected through a circuitry enclosed in the elongated hollow body; and at least one camera mounted on the arrow at a desired position in connection with the with the ON/OFF switch and the storage device, wherein the lens of the camera is protected by an aerodynamic housing. Further the arrow comprises a plurality of fletchings and counter balances attached to the elongated body of the arrow, thereby allowing the arrow to move in a steady and straight path preventing the spinning of the arrow to capture good quality video recording by the camera during the travel of the arrow and after impact as well.

Abstract: A drill string rod forms part of a drill string having one end configured with a male spigot portion to be received within a corresponding rod female sleeve end. To minimize stress concentrations within the threaded male and female coupling, the male spigot is configured with a large diameter or cross-sectional area being at least equal to the cross sectional area or diameter of the main length section.

Abstract: This invention relates to abrasive flap discs that include wearable backing plates and methods of making and using such abrasive flap discs and wearable backing plates. The claimed articles, processes, and systems related to the use and manufacturing of such abrasive articles are improved in performance and cost effectiveness.

Abstract: A device for the hold-down and controlled release of space satellites installed on launchers and loads installed on space satellites, includes a blocking member made up of segments radially displaceable from a mutually approached retaining position to a mutually spaced-apart release position of a connecting screw. In order to control the radial displacement of the segments between the retaining position and the release position there are provided a rotatable element coaxial with the blocking member, an articulated mechanism which operatively connects the rotatable element with the segments of the blocking member, and linear motors for driving the controlled rotation of the rotatable element and, through the articulated mechanism, the simultaneous displacement of the segments of the blocking member.

Abstract: An exterior member includes a tubular body which allows one or more conductive paths to be stored and protected therein. The tubular body has no slit. The tubular body includes a plurality of protruding portions formed in an inner surface of the tubular body. Each of the plurality of protruding portions includes an R part having a substantially circular arc shape extending along a circumferential direction of an inner surface of the tubular body. Each of the plurality of protruding portions has a substantially U-shaped or V-shaped smooth surface in a cross-section cut along a tube axis of the tubular body. The plurality of protruding portions are disposed at positions on a helix around the tube axis.

Abstract: An attachment means for connecting thin-walled roof or facade panels to a substructure has a shaft on one end region with a point and on the other end region with a head. A number of longitudinal grooves are provided on the shaft which extend parallel or substantially parallel to the central longitudinal axis X of the shaft. The head of the attachment means has a flat-head at a side of which facing the shaft a washer is formed, which radially protrudes outwards from the flat-head. A fine thread is formed on the shaft at least in some regions. Further the invention relates to a kit having such an attachment means and a sealing washer and a kit having such an attachment means and a sealing washer and a magazining-belt, respectively, and a method for connecting a thin-walled roof or facade panel to a substructure.

Abstract: A system includes a constrained acetabular insert, a dual mobility liner, and a femoral head. The constrained acetabular insert has its perimeter extending beyond hemisphere and the dual mobility liner has its perimeter extending beyond hemisphere and configured to tilt and rotate within the constrained acetabular insert. The femoral head is configured to tilt and rotate within the dual mobility liner. The constrained acetabular insert may include a plurality of tabs and the dual mobility liner may include screw threads for receiving the plurality of tabs.

Abstract: There is provided a foreign material removing device of a track turnout portion which can tightly attach and fix nozzles to a rail belly portion stably without machining a rail itself. A foreign material removing device of a track turnout portion which has point rails which can move to contact and move away from stock rails of the track turnout portion, and which removes a foreign material dropped between the stock rail and the point rail, includes a piping unit which includes a plurality of nozzle portions which spray compressed air to remove the foreign material, and the piping unit includes a close-contact arrangement structure in which the piping unit is arranged in close contact with a lateral surface of the stock rail opposed to the point rail.

Abstract: A paintless dent removal (PDR) tool includes a detachable head, tubing assembly and handle. The tubing assembly includes a plurality of tubing segments having different lengths that are detachable and interchangeable. The length of the tubing assembly may be adjusted by attaching together one or more of the tubing segments having different lengths. One or more different types of heads may be attached to the tubing assembly depending on the type of dent to be repaired. One type of head includes a t-bar with two ends, each end configured for attachment to one of a plurality of different types of tips.

Abstract: An embodiment of the present invention relates to a system. The system includes a first vehicle, a second vehicle, and an interface between the first vehicle and the second vehicle. The interface is configured to enable the transfer of mechanical power from the second vehicle to the first vehicle when the first vehicle and the second vehicle are stationary.

Abstract: A novel electronic cigarette battery male connector that can be retrofitted to existing female cartomizer connectors is described. An air intake path starts at the outer circumference of the connector between the battery and the cartomizer of the electronic cigarette, running inside a notch on the connector. The air is brought into the battery through grooves formed on the distal end of the connector. Once inside the battery, the air path loops around and exits the battery housing towards the cartomizer, via a hole along the central axis of connector. In accordance with the desired air-intake path, the notch is cut out on the side of connector at strategic location and with strategic geometry.

Abstract: A motor includes an outer frame, a vibration-proof base, and a motor body. The outer frame includes a supporting base. The vibration-proof base is disposed at the supporting base of the outer frame and includes a base body and a vibration-proof ring. The base body includes an upper surface and a side surface. The vibration-proof ring is sleeved around the side surface of the base body. The vibration-proof ring is in contact with the supporting base. The motor body is disposed on the base body. The disclosure can greatly reduce vibration generated in the operation of the motor and reduce noises.

Abstract: A taper lock apparatus, including a screw defining a longitudinal axis and having a tapered end at one end thereof, the tapered end including a threaded bore extending partially along the longitudinal axis; a compression fitting having expansions, the fitting defining an internal space having an internal taper, the internal space configured to mate at least partially with the tapered end of the screw; and a retaining screw configured to mate with the threaded bore, wherein tightening of the retaining screw into the bore engages the taper end of the screw with the internal taper of the fitting forcing the expansions radially outward.

Abstract: The Adjustable Archery Arrow Insert is a three-piece arrow tip attached to an arrow shaft and includes an arrow tip insert, an arrow tip collar, and an arrow tip. The arrow tip insert is threadably received by the arrow tip collar and is attached to the arrow shaft, where the arrow tip is inserted within, and the arrow tip collar overlaps, the arrow shaft. The arrow tip is inserted through the arrow tip collar and attached directly to the arrow tip insert without protruding into the arrow shaft. Sections of the arrow tip insert may be removed to adjust the overall weight of the arrow. The Adjustable Archery Arrow Insert transfers the impact forces of the arrow tip to the arrow tip insert and arrow tip collar, where the forces are transferred over a larger area thereby minimizing the forces on front edge of the arrow shaft.

Abstract: A fiber reinforced plastic bolt (FRP) and a method for producing the same are disclosed. The FRP bolt is useful in the industrial areas which require a bolt having electric-insulation, anti-corrosive, thermal-insulation, and non-magnetic properties. The method for producing the FRP bolt includes the steps of: winding a prepreg around a surface of an internal body, wherein the internal body includes a first reinforcing fiber which is unidirectionally aligned along the axis of the bolt, and a synthetic resin which is impregnated into the first reinforcing fiber, and the prepreg includes a second reinforcing fiber and a thermosetting resin which is impregnated into the second reinforcing fiber; forming a fiber reinforced plastic round bar by heat-hardening the prepreg; and forming a screw thread on the surface of the fiber reinforced plastic round bar.

Abstract: A single piece of pipe connectable to a similar adjacent pipe and including a female end that is reinforced with a band. The pipe includes in one embodiment a male end having external threads, a female end having an enlarged exterior diameter, a first section at the female end having an interior diameter to receive a male end of the similar adjacent pipe, a second section at the female end having internal threads to mate with the external threads of the male end of the similar adjacent pipe. The first section is positioned to funnel the male end of the similar adjacent pipe to the second section, and the second section is positioned between an intermediate section and the first section. At least one reinforcement band is positioned circumferentially around at least a portion of the female end. The pipe is disconnectable from the similar adjacent pipe and reusable.

Abstract: Deboning machines and methods of operating deboning machines are provided. In one aspect, a deboning machine includes a housing, a bearing supported by the housing, a separation chamber supported by the housing and including perforations defined through the separation chamber from an interior surface to an exterior surface, an auger including a shaft and a flute formed about the shaft with the auger extending through the separation chamber and the flute adapted to be positioned a working distance from the interior surface of the separation chamber. The deboning machine also includes a retainer rotatably supported by the bearing with the auger extending through the retainer, a nut rotatably coupled to a threaded portion of the auger and rotation of the moves the flute relative to the separation chamber to establish the working distance between the flute and the interior surface of the separation chamber.

Abstract: A viewfinder fixing device comprises a holder, a ring, a washer, a dowel, and a plurality of inner peripheral concave-convex portions. The holder has a male thread portion. The ring has a female thread portion that meshes with the male thread portion. The washer is provided between the holder and the ring. The dowel is provided to the washer. The inner peripheral concave-convex portions are provided in the peripheral direction to the ring, and when the ring is turned, the male thread portion and the inner peripheral concave-convex portions cause the holder and the ring to move closer together, which is accompanied by the washer and the ring moving closer together, and the inner peripheral concave-convex portions come into contact with the dowel when the washer and the ring have moved closer together up to a specific distance.

Abstract: An apparatus for transferring rotary power to a consumer in a wellbore includes a rotary power source positioned along a conveyance device and a drive train connected to the rotary power source. The drive train transfers torque from the rotary power source to a consumer. The drive train includes at least two torque transmitting members connected by a multi-start thread connection.

Abstract: Threads are formed in situ throughout a bore of a sleeve inserted into a corresponding hole a substrate. A sleeve having a bore is inserted into a corresponding hole of a substrate. A mandrel is rotated through the sleeve. The mandrel has a threaded ended; the threaded end rotating throughout the bore of the sleeve forms threads throughout the bore. Prior to inserting the sleeve into the corresponding hole of the substrate, the sleeve can be placed onto the mandrel. In this case, the mandrel has an increasing diameter at the threaded end thereof, such that the sleeve rests on the mandrel towards the threaded end thereof where the bore has a smaller diameter than the mandrel. The mandrel is then rotated out of the sleeve in a direction opposite the direction in which the sleeve has been inserted into the corresponding hole of the substrate.

Abstract: The invention relates to a connecting device with a drive section having a thread on the end, wherein the drive section is formed as a plug-shaped element, and the connecting device can be used to screw a shaft element to a thread corresponding to the thread of the drive section, wherein, in addition to the thread, at least one positive-locking element forming a positive-locking connection with the shaft element is provided.

Abstract: Disclosed is a coupling member that enables a joint between a wooden member and a mating member to absorb vibration energy, and a method for producing the same and a joint structure using the same. The metal coupling member is embedded in the wooden member. The wooden member is connected with a mating member by the coupling member. The coupling member includes a metal rod-like main body portion to be embedded in the wooden member, and an inner rod portion protruding from the main body portion. The inner rod portion axially extends from a protruding portion thereof to a predetermined depth in the main body portion, has a periphery separated from the main body portion to allow axial displacement of the inner rod portion relative to the main body portion, and is integrally connected to the main body portion at the deepest part thereof.

Abstract: Disclosed is a connecting structure that enables a lid body to be connected by the slight rotation thereof in either direction, and that is robust with respect to use in many environments including sandy or dusty environments. A connecting structure (1A) for connecting a first member (2A) and a second member (3A), wherein the first member (2A) comprises a connecting upright portion (21) and a plurality of locking flanges (22) provided to extend outwards along the circumferential direction of the outer face of the connecting upright portion (21), while the second member (3A) comprises a connecting side-wall portion (32) that overlies the connecting upright portion (21) and a plurality of locking projections (33) provided to extend inwards from the inner face of the connecting side-wall portion (32).

Abstract: A threaded reinforcing bar coupling for a deformed reinforcing bar according to the present invention connects a pair of reinforcing bars (1, 1), which are deformed reinforcing bars, with male threaded portions (1c) provided at end portions of the reinforcing bars and a threaded cylinder (2). In each reinforcing bar (1), by roll forming on an iron wire rod which is a raw material, a projection (1b) on an outer peripheral surface is formed and a diameter enlarged portion which is larger in diameter than another portion is formed in a portion in a longitudinal direction. An outer diameter of the diameter enlarged portion is not larger than a reinforcing bar outermost diameter (D1) including the projection (1a) of the reinforcing bar (1). The male threaded portion (1c) is formed in the diameter enlarged portion by rolling.

Abstract: An above-bed structure having two or more feet is attached into a bed of a truck using inserts which can be removed or retracted to provide a flat, unobstructed truck bed. Each insert includes an above-bed cleat portion and a below-bed peg portion which is received in a below-bed socket. Each insert is received first vertically without substantial rotation into its socket and then by rotation to a terminal point wherein the insert is vertically held by the socket. The above bed structure is then placed onto the inserts such that the feet mate with the inserts to prevent the inserts from rotating away from their terminal point, thus preventing the inserts from being removed from their sockets. The attachment can be completed by inserting mounting pins into aligned holes on the cleat portions and the feet. In one embodiment, the feet are supported on a bed place section of the insert which is offset from the rotational axis of the insert.

Abstract: The present invention is a leg support adapter for a tree stand comprising a hollow cylindrical body having a first able to receive a leg of a tree stand and the second end having an adapter positioned about perpendicular to said hollow body. The adapter has a central threaded aperture for receiving a threaded shaft having a handle on one end and a footpad affixed to the other end. Other aspects of the present invention include a kit comprising at least three of the leg support adapters and a collapsible tree stand having leg supports with adjustable footpads.

Abstract: A hard-material threaded connection includes a structural part, which has a hard material and a first threaded portion formed in the hard material, and a component having higher elasticity that has a second threaded portion cooperating with the first threaded portion. The first threaded portion and the second threaded portion have a different thread pitch.

Abstract: A system and method of selectively coupling structural elements via at least one of: frictional engagement, chemical bonding, structural attachment techniques and/or other known and/or convenient coupling mechanism and/or methods. In some embodiments, wrapping elements can be introduced to standardize the dimensions of the ends of naturally occurring structural members, such as bamboo, to aid in construction.

Abstract: A actuating instrument including an instrument tip assembly having a yoke attachment thread. The actuating instrument also includes an actuator having an actuating shaft. The actuating shaft is provided with a first thread within the actuating shaft and a second thread provided on the actuating shaft. Further, the first thread is connected to the yoke attachment thread. Additionally, a back hub is provided at a proximal end of the instrument tip assembly and includes a rib or ribs provided on one of an inner surface and an outer surface of the back hub. The rib or ribs projecting from the one of the inner surface and the outer surface of the back hub and engages the second thread of the shaft to from an attachment thread.

Abstract: A pet toy having a first part with internal threads, and a second part having external threads. When the first and second parts are threaded together by interengagement of their internal and external threads, they cooperate frictionally with one another to prevent, or at least to make difficult, an unintentional unthreading of the two parts from one another, wherein the threaded-together parts form a pet toy. To make unintentional unthreading even more difficult, additional engagement means can be provided on the first part and additional cooperating second engagement means can be provided on the second part.

Abstract: The invention relates to a connecting device with a drive section having a thread on the end, wherein the drive section is formed as a plug-shaped element, and the connecting device can be used to screw a shaft element to a thread corresponding to the thread of the drive section, wherein, in addition to the thread, at least one positive-locking element forming a positive-locking connection with the shaft element is provided.

Abstract: A distance device bridges a free space between a carrier part and a roof body for fastening a roof luggage rack, such as a roof rail, a roof strip or the like, on a vehicle roof by a threaded screw, with a support part and a counter support part. The support part and counter support part are held together by a threaded connection and can be adjusted relative to each other in order to set a bridging length. The support part or counter support part is carried along by a rotationally engaging connection with the threaded screw when it is screwed into a counter thread of the roof luggage rack or carrier part as far as a contact position with the carrier part or the roof body. The rotationally engaging connection has a plastic carrier into which the thread of the threaded screw is/has been screwed for carrying along with frictional resistance.

Abstract: A device includes first and second inter-engageable parts, each having a longitudinal axis and a connecting face extending substantially transversely to the longitudinal axis. The first part has an engagement formation extending substantially axially and the second part has a receiving formation extending substantially axially, and in which the engagement formation is receivable. The engagement and receiving formations each includes a substantially helicoidal surface extending at least partially around the longitudinal axis of the respective part of the connector, so that rotation of the parts relative to one another about the longitudinal axes, when the parts are substantially co-axially aligned, so that the connecting faces of the parts face one another in a substantially axial direction, causes engagement of the engagement formation with the corresponding receiving formation.

Abstract: A panel member locking device includes a bracket affixed to a frame shell, a driving rod vertically movably set in the bracket, a locking rod connected to the driving rod and vertically movable by the driving rod into a through hole at a first panel member and an oblong locating hole at a second panel member and rotatable by the driving rod between a locking position to lock the first and second panel members to the frame shell and an unlocking position to unlock the first and second panel members from the frame shell, a guide tube axially movably set in the bracket to guide the driving rod to move axially and rotate relative to the bracket, a spring member to impart an upward pressure to the guide tube, and a constraint member coupled between the driving rod and the bracket to limit the rotation angle of the driving rod.

Abstract: A power tool handle is selectively connectable to a power tool head. The power tool handle includes a grip portion defining a longitudinal axis, and a motor housed within the handle and including a drive shaft driven by the motor, the drive shaft mounted for rotation within the handle and defining an axis of rotation substantially parallel to the longitudinal axis of the handle. The power tool handle also includes a trigger disposed proximate the grip portion for actuating the motor, and a button movable in a direction defining an axis substantially parallel to the longitudinal axis to a first position when the tool head is coupled to the handle and to a second position when the tool head is removed from the handle. In the first position, the trigger can actuate the motor, and in the second position, the trigger is inhibited from actuating the motor.

Abstract: A vaporizing instrument used for smoking and consisting of two parts, the upper adjustable head and the fixed lower body. The instrument is used to vaporize herbal medicines or any other fluid capable of being vaporized. The lower body is fixed in length and has threaded hole for upper head, lower body may also have fins and counterweight. The upper head consist of cup to hold vaporizing fluid and is attached to threaded column which is inserted into the lower body. The threads allow the user to adjust length of upper head to desired height. Entire instrument is made of commercially pure titanium.

Abstract: A viewfinder fixing device comprises a holder, a ring, a washer, a dowel, and a plurality of inner peripheral concave-convex portions. The holder has a male thread portion. The ring has a female thread portion that meshes with the male thread portion. The washer is provided between the holder and the ring. The dowel is provided to the washer. The inner peripheral concave-convex portions are provided in the peripheral direction to the ring, and when the ring is turned, the male thread portion and the inner peripheral concave-convex portions cause the holder and the ring to move closer together, which is accompanied by the washer and the ring moving closer together, and the inner peripheral concave-convex portions come into contact with the dowel when the washer and the ring have moved closer together up to a specific distance.

Abstract: The invention relates to an apparatus, e.g., a bracket, configured for reception of vessels, such as plastic bottles which have been cut in a way which makes them useful upon assembly, as roofing construction elements. The roofing elements, the roofing structures which result and kits for manufacturing these structures, are all features of the invention.

Abstract: A reversible tip assembly for selectively connecting an extension pole/handle extension to tool handles having either compatible quick release lock mechanisms or conventional internally threaded sockets. The tip assembly comprises a body having oppositely extending rod-like tips at opposite ends of the body. One of the tips has a plurality of circumferentially spaced axially extending external thread segments. The other tip has an end portion that is compatible with quick release lock mechanisms.

Abstract: The present disclosure relates to the field of liquid crystal displays (LCDs), and more particularly to a sheet metal part for an LCD device, an LCD device, and a method for manufacturing a sheet metal part for an LCD device. The sheet metal part comprises an inner hole flange, the flange comprises an internal thread, and a circumference of a cross section of the inner hole comprises at least one protrusion protruding to a direction of a center of circle of cross section of the inner hole. The sheet metal part for the LCD device of the present disclosure comprises the inner hole flange. The flange comprises the internal thread, and the circumference of the cross section of the inner hole comprises at least one protrusion protruding to the direction of the center of circle of cross section of the inner hole. The protrusion changes a shape of the inner hole, so that the inner hole is not a complete circular hole any more.