Abstract: An article of manufacture selected from a titanium alloy fastener and a titanium alloy fastener stock including an alpha/beta titanium alloy comprising, in percent by weight: 3.9 to 5.4 aluminum; 2.2 to 3.0 vanadium; 1.2 to 1.8 iron; 0.24 to 0.3 oxygen; up to 0.08 carbon; up to 0.05 nitrogen; titanium; and up to a total of 0.3 of other elements. In certain embodiments, article of manufacture has an ultimate tensile strength of at least 170 ksi (1,172 MPa) and a double shear strength of at least 103 ksi (710.2 MPa). A method of manufacturing a titanium alloy fastener and a titanium alloy fastener stock comprising the alpha/beta alloy is disclosed.

Abstract: Methods and systems for an integrated captive fastener system is provided. A system includes an integrated nut assembly configured to be tethered to a first structure, the nut assembly including at least one of a lock washer and a flat washer coupled to a nut using a retainer, and a bolt configured to be tethered to at least one of the first structure and a second structure, the nut assembly configured to be threadably couplable to the bolt.

Abstract: An organic-coated, chrome-plated fastener includes a fastener body having one or more friction regions that are adapted to slidably engage another structure when the fastener is used for fastening. Some or all of the fastener body may be chrome-plated, including at least one of the friction regions. The at least one chrome-plated friction region may be coated with an organic composition that is selected to control a coefficient of friction of the at least one chrome-plated friction region.

Abstract: There is provided a linear object comprising magnesium-alloy having not only excellent heat resistance but also excellent plastic formability. The linear object comprising magnesium-alloy contains, on a mass percent basis, 0.1% to 6% Y, one or more elements selected from the group consisting of 0.1% to 6% Al, 0.01% to 2% Zn, 0.01% to 2% Mn, 0.1% to 6% Sn, 0.01% to 2% Ca, 0.01% to 2% Si, 0.01% to 2% Zr, and 0.01% to 2% Nd, and the balance being Mg and incidental impurities, in which the linear object comprising magnesium-alloy has a creep strain of 1.0% or less, the creep strain being determined by a creep test at a temperature of 150° C. and a stress of 75 MPa for 100 hours.

Abstract: A sprocket cover arrangement for a hand-held chain saw has a housing and a sprocket cover that has an opening and is connected to the housing. At least one stud bolt having a first end secured to the housing and having a second end that is a free threaded end is provided. The free threaded end projects through the opening of the sprocket cover to an exterior side of the sprocket cover when the sprocket cover is positioned in an operating position on the housing. A nut is screwed onto the free threaded end of the at least one stud bolt on the exterior side of the sprocket cover so as to secure the sprocket cover on the housing. The nut is secured captively, rotatably and with play in the opening of the sprocket cover.

Abstract: Fasteners, such as bolts, nuts and screws, rivets, pins, and retaining rings, made of a highly kinked rigid-rod polyarylene exhibiting outstanding characteristics, notably a high torque and a high tensile elongation, a measure of practical toughness.

Abstract: A clinch nut is used to attach a first panel and a second panel with a space therebetween for accepting a liquid primer. The body has a nut face for abutting a first panel and a threaded aperture through the nut body for receiving a threaded bolt. The nut face has grooves into which the first panel is deformed to clinch the nut body to the first panel. An abutment rises from the nut face a distance greater than the thickness of the first panel so that upon the bolting of the second panel to the first panel by the insertion of the threaded bolt into the threaded aperture of the nut body, the second panel will be spaced from the first panel by the abutment thereby assuring that the liquid primer can flow between the first and second panels.

Abstract: A female screw member includes a female screw part with a female screw, and a projection part projecting in the direction of a center shaft of the female screw and having a working face in the rotating direction centering on the center shaft. The female screw part and projection part are integrally molded with a resin. The projection part has a spiral inclination face spirally inclining by one round from the working face centering on the center shaft of the female screw. The height H of the working face is equal to or smaller than a pitch P of the female screw. Using the projection part as a fully opening fixing stopper, a motor operated valve includes a valve main body having a valve seat, the female screw member attached to the valve main body, a motor having a rotator and stator, and a valve shaft. The valve shaft is screwed to a female screw of the female screw member, and is rotated and driven by the rotor, and has a fully opening movable stopper capable of contacting the fully opening fixing stopper.

Abstract: A hybrid clinch-type standoff consists of two component parts, a metal core base and a overmolded plastic barrel. The base has a through-bore and a displacer flange at the bottom. A first undercut is located immediately above the flange and extends upwardly along an outside surface of the base for providing clinch attachment of the base to a substrate. A frustoconical ramp convergent in the upward direction lies along the outer surface of the base is and is located directly above the first undercut. An axially extending segmented ring with circumferential teeth is located at the top of the base. The overmolded plastic tubular barrel composed of plastic fills the second undercut and surrounds the segmented ring. The barrel has an inner portion including a threaded inner wall which extends downardly inside the through-bore to a point flush with the bottom of the flange.

Abstract: This invention relates to a blind fastener having a hollow sleeve with high surface hardness and sufficient elongation, and to a novel heat treatment method therefor. The method for the heat treatment of the blind fastener includes austempering. The austempering includes a step in which a hollow sleeve of cold-rolled low carbon steel with a carbon percentage of 0.08 to 0.13% is heated and maintained from 800° C. to 950° C. during carburization, and a subsequent step in which isothermal maintenance is performed from 320° C. to 500° C. The resulting carbon percentage (CP) value is from 0.3 to 0.5%. Even in the case of a low carbon steel blind fastener, the austempering can harden the surface of the sleeve and soften the inner portion other than the surface for suitable elongation in order to provide a blind fastener having a sleeve with high surface hardness and sufficient elongation.

Abstract: Electronic devices may be provided that include mechanical and electronic components. Connectors may be used to interconnect printed circuits and devices mounted to printed circuits. Printed circuits may include rigid printed circuit boards and flexible printed circuit boards. Cosmetic structures such as cowlings may be used to improve device aesthetics. Bumpers may be mounted over rough edges of printed circuit boards to protect flex circuits that are routed over the printed circuit boards. Fasteners may be soldered to solder pad structures on printed circuit boards.

Abstract: A conduit fitting includes first and second fitting components that can be joined, and at least one conduit gripping device that can grip and seal against an unjacketed portion of a metal conduit when the first and second fitting components are pulled up on the metal conduit. The conduit fitting further includes a sealing element and a seal engaging member that can be joined with at least one of the metal conduit, the first fitting component, and the second fitting component to compress the sealing element against a jacketed portion of the metal conduit.

Abstract: A magnesium nut manufacturing method includes the steps of: providing a magnesium wire or rod; processing a directly-heating procedure, a thermal insulation material coating and directly-heating procedure or a directly-heating and thermal insulation material coating procedure on the magnesium wire or rod; forming a nut blank and a through hole thereof from the magnesium wire or rod, with the through hole having an inner thread to produce a magnesium nut member.

Abstract: A coupler nut with multiple bore diameters that are symmetrically stepped in both directions away from the center bore diameter. The bore diameter at the center is the smallest, and each pair of steps away from the center bore increases the bore diameter. This means that the coupler nut has no single, correct vertical orientation. It has no top or bottom, and as such is vertically ambidextrous.

Abstract: The invention has a captive tooless fastener for securing the engine intake air filter. The tooless fastener comprises shaft and associated bodies. The body has two arms oriented about 180 degrees apart. The shaft is threaded through a sealing washer and an aperture in a closed end cap of the air filter. The shaft is expanded so it cannot be removed from the end cap. The body's threaded inner diameter mates with a threaded portion of a central shaft in an air filter housing. The body's arms are rotated to screw the fastener and the shaft of the housing together. When tightened, the sealing washer closes the aperture. To remove the air filter, the fastener is unscrewed from the shaft of the housing and in the shaft floats in the aperture. A person in the field can remove the air filter by inserting fingers under the arms and pulling.

Abstract: A threaded fastener-nut combination for attaching two work pieces together has means for preventing the intrusion of the fastener threads into the bores of each work piece, thus preventing damage to the work piece which may result from such intrusion. The stud member has a pawl member which extends radially outward to engage an aperture in the nut member, which locks the nut member to the stud member. The engagement of the nut member to the threaded portion of the stud member produces both audible and tactile feedback to indicate that the fastener is properly placed and engaged. Tactile feedback is returned through the emergence of the pawl through the aperture in the nut, and by the rotation of the entire fastener assembly upon the provision of further tightening effort. Auditory feedback is provided through a “click” or similar sound produced when the pawls engages the aperture of the nut.

Abstract: A metal sheet includes a surface and a tubular extension projecting from the surface of the sheet. The tubular extension includes a first part and a second part that define a through-hole. The second part extends from the surface to the first part. A cross-sectional shape of the second part is hexagonal. A diameter of the hole in the first part is constant. A diameter of a circle inscribed in the second part increases from the first part to the surface. A screw can be screwed into the first part.

Abstract: The invention relates to a washer (10), screw or nut having an end surface (12) which faces toward a workpiece, wherein the end surface (12) is provided with a concentric, annularly encircling web (14), and that region (18) of the end surface (12) which is situated outside the encircling web (14) tapers conically toward the web (14) from the outside, with the inclination from the outside to the inside being directed away from the workpiece.

Abstract: An encapsulated fastener includes a nut having a face with a concave gap adapted to receive a bolt. The nut is encapsulated by an encapsulation including an extension, which includes a tube adapted for receiving a portion of the bolt and a flange adapted for engaging a face of the nut. The encapsulation extension is placed on the nut in an overmolding tool, wherein an encapsulation base is injection molded over a portion of the encapsulation extension. The encapsulation base encapsulates the nut and extends into the nut concave gap forming a base foot and washer protrusion. The nut is encapsulated except for its bore which is sealed off during the overmolding process by a spring-mounted mandrel. Alternative embodiments of the invention include tubes with different configurations for contacting the bolt whereby the tube or cylinder is reinforced. A method and tooling for manufacturing the encapsulated fastener are also provided.

Abstract: A threaded element for connection with a housing of an earth boring device includes a body having an inner bore and a slot. The slot extends inwardly from a perimeter of the body and terminates in the inner bore of the body. The body of the threaded element has a receptacle in the area of the slot for insertion of a locking bolt, with the body having an outer diameter which undergoes an enlargement, as the locking bolt is inserted in the receptacle. The body has an outer thread for threaded connection with a housing.

Abstract: This invention provides a fastening assembly and a method for manufacturing the fastening assembly. The method for manufacturing the fastening assembly is used for an electronic apparatus. The electronic apparatus includes a first case. The method at least includes the following steps. A boss is embedded into a seat by hot melting to allow the boss and the seat to form a first fastening element, and the boss has a screwed hole. Then, the first fastening element is disposed at the first case by hot melting.

Abstract: A fixing element (470) that enables an electronic unit (440) to be fixed on the inside of a tire-wheel assembly, on the tubular insert (433) of an inflation valve (430) of the tire-wheel assembly, the fixing element comprising: an interface piece (471) comprising means to establish a connection with the tubular insert of the valve and a housing (488) for a seal (460); at least one container (473) holding or designed to hold the electronic unit; and at least one attachment piece(472) that enables elastic coupling between the interface piece and the container. A method for mounting an electronic unit (440) on a tire-wheel assembly is also disclosed.

Abstract: A nut assembly comprised of a nut body (1a) and a pressure disk (2a) and a method for producing the same. The nut body has a drive portion, such as a polygonal portion, for engaging with a tool and an abutment region that can be brought into contact with the supporting surface of the pressure disk arranged on the nut body in a non-releasable manner. The pressure disk has a central opening into which a neck formed on the nut extends axially at least in part, and the neck has a projection which radially overlaps or engages the thrust ring in order to form the non-releaseable connection.

Abstract: A self-piercing hollow press-in element, in particular a nut element for attachment to a sheet metal part, wherein the press-in element has a flange part of a larger diameter and a shaft part of a smaller diameter. The shaft part extends away from the flange part and has a circular piercing edge at its end face remote from the flange part. The side of the flange part facing the shaft part forms a sheet metal contact surface in ring shape and features providing security against rotation are provided at the shaft part which extend approximately from the level of the sheet metal contact surface over a part of the length of the shaft part along the latter. A ring-like recess is provided radially within the ring-shaped sheet metal contact surface in the flange part and excess material for the shaft part which arises during manufacture of the ribs providing security against rotation is located within the ring recess.

Abstract: The invention relates to a balancing device comprising a nut 15 having an internal thread, and a countersunk collar 17 integral with said nut 15, said countersunk collar 17 having a through-hole 23 with a diameter greater than the diameter of the internal thread of the nut 15. Said countersunk collar comprises a balancing weight 19. The invention also relates to a method for balancing a rotating part 1 with such a device, and a rotating part 1 balanced by such a device.

Abstract: A part mounting grommet comprises an outer grommet and an inner grommet inserted into the outer grommet and supported by the outer grommet, and supports a part provided with a mounting member beforehand on a vehicle main body. The outer grommet has a clearance in a radial direction with a mounting hole drilled in the vehicle main body, a first stopper stopped by the outer edge of one side of the mounting hole on one end thereof, and an elastically deformable first latching piece latched with the outer edge of the other side of the mounting hole. The inner grommet has a clearance in the radial direction with the outer grommet, a second stopper which abuts with the first stopper, and an elastically deformable second latching piece latched with the other end of the first stopper. The outer grommet and the inner grommet are respectively movable in the radial direction.

Abstract: The internally threaded connector device (10a) is a thin-walled, internally threaded tube. A relatively short portion of the device includes a polygonal wrench gripping flange area. The device (10a) is installed on an existing short length of externally threaded stud (BS). Another length of externally threaded stud (12) is installed in the internally threaded connector (10a) so that the second externally threaded stud (12) extends beyond the face of a secured component, such as a flange (F). In an exemplary embodiment, a conventional nut (N) or the like is installed on the end of the second externally threaded stud (12) to secure a flange (F) and associated gasket (G) and pipe (P) to a manifold assembly (M).

Abstract: A high-strength, pre-coated, titanium or titanium-alloy material component is provided that includes a titanium or titanium-alloy material article having ultra-fine, submicron grain size microstructure and an organic coating of phenolic resin applied to the surface of the article. The article is prepared from a coarse grain titanium or titanium-alloy powder material that is cryomilled into an ultra-fine, submicron grain material, degassed, and densified. The densified material is formed or otherwise processed into a article, and pre-coated with an organic coating containing phenolic resin prior to installation or assembly.

Abstract: A threaded insert which has a cutting edge on its external surface. The cutting edge is configured to punch a hole in a workpiece while leaving a slug intact, still connected to the workpiece structure. The cutting edge is configured such that no backup die need be utilized to form the hole in the workpiece. The threaded insert includes an internal threaded portion, and a deformable side wall which is configured to deform upon installation of the threaded insert, to forming a blind-side bulb against the workpiece, and against the slug. The threaded insert is configured such that an installation tool can be threaded into the threaded insert, the threaded insert pierced through the workpiece. Then, the installation tool is actuated to cause the deformable side wall of the threaded insert to plastically deform and form the blind-side bulb.

Abstract: A fastener system for fixing hardened plates includes a fastener element having a frusto-conical head and a threaded shaft portion, wherein a smallest outer diameter of the frusto-conical head is adjacent the threaded shaft, and a largest outer width of the shaft is smaller than a smallest diameter of the head.

Abstract: A fastener includes an elongate groove with two shoulders each on a respective side of a mouth of the groove and a nut to be located in the groove having a width greater than the width of the mouth so as to define front bearing surfaces to attach to a male threaded member which passes through the mouth to pull the bearing surfaces of the nut against the shoulders. The nut has a width longitudinal of the female hole which is less than the width of the mouth to pass through the mouth with the hole at right angles to the operating position so as to be rotated to turn the hole to the operating position. The nut has a rib along or adjacent a respective side edge of the nut and arranged to engage with a respective groove along a respective shoulder so as to resist outward movement of the shoulders.

Abstract: A modular nut assembly includes a substantially cylindrical body portion having a threaded interior surface and an exterior surface. The exterior surface includes a first portion configured for engagement by a mechanical tool and a second portion. A textured ring is configured for engagement by a hand of a user, wherein the second portion is configured to receive the textured ring.

Abstract: A pivoting storage apparatus that is adapted to storage structures such as cabinets, refrigerators, and the like, whose horizontal interior storage surfaces are generally rectangular. The shelving system is presented in the form of a shelf accessory, in addition to use as an independent storage platform. A portion of the rotary shelving is capable of being manually drawn out of the confines of the storage structure's interior by the user, thereby enabling easy access to shelf contents.

Abstract: A magnetized nut for fastening a compressor wheel of an exhaust turbocharger to a turbo shaft. The nut has a base body made of a non-magnetic material forming a hollow space for accommodating a magnetic material, and a method for the production of the magnetized nut. In order to provide a magnetized nut that is produced in a simple and cost-effective manner and ensures as equal a distribution of mass as possible with regard to the rotational axis of the nut, the magnetic material is introduced into the hollow space using injection molding.

Abstract: A metal clinch fastener has portions thereof selectively hardened to enable use of the fastener with metal members of differing hardness values. The selective hardening of the fastener enables mounting with application of required forces for piercing and/or plastic deformation of the metal member without undesirable deformation or distortion of the fastener. The screw thread region or zone of the fastener has a relatively lesser hardness suitable and may be pre-threaded or later threaded by engagement with a thread forming screw.

Abstract: A connecting member includes an elongated body portion. The body portion defines a hole. A sidewall of the hole defines a plurality of slots communicating the hole. A plurality of supporting portions are formed between adjacent slots. At least one slot is above or below each supporting portion along a longitudinal axis of the body portion.

Abstract: A barrel nut is provided having an internal female threaded portion adapted to engage a male threaded portion of a fastener. The barrel nut includes a bearing surface and a top surface opposed to the bearing surface. A sidewall surface is interposed substantially between the bearing surface and the top surface. The sidewall surface has a profile shaped so as to reduce the material used in fabricating the barrel nut.

Abstract: Device (10, 20, 30) and method for tightening a bolt (2) or a nut (12) threaded on its end, which end extends through at least a first body (3) and screws into a hole (5) in a second body (4) or extends through the second body into another nut (13). The device has gripping means (7, 17) co-acting with the bolt-head or the nuts. Means (8) process a signal generated by sensor means (18) subject to the axial force exerted on the surface of the first body by the bolt-head or the first nut, or on the surface of the second body by the second nut, and control the device such that the bolt-head or a nut is tightened subject to the axial force exerted on the surface- of one of the bodies, which sensor means are in an annular body (16) around the threaded hole between the bolt-head or first nut and the first body or between the second nut and second body.

Abstract: A tubular composite member with two ends for connecting ceramic components made of a composite of an inorganic matrix reinforced with inorganic fibers is formed with an at least partially threaded internal surface and an external surface. A ceramic member has at least one surface formed with one or more annular grooves with an inner shell surface, an outer shell surface, and a root. The inner shell surface is at least partially threaded. A resulting ceramic member assembly includes at least two ceramic members connected by at least one tubular composite member. The ends of the tubular composite member are screwed into the corresponding annular groove of two adjacent ceramic members. The such fastened/joined ceramic members can be operated at high temperatures especially under thermal cycling and/or thermal shock conditions as well as dynamic mechanical load in different directions. Methods to manufacture tubular composite members according to this invention are described.

Abstract: A locking system comprising a fastening element, the fastening element being a hexagonal nut or a hexagon-headed bolt, and a locking washer unit, a locking washer having a central hole, a first side comprising a pattern of radially extending teeth and a second side comprising a pattern of radially extending cams. The system is especially characterized in that the fastening element comprises a contact portion extending from the hexagonal part of the fastening element and providing an annular end surface of the hexagonal fastening element part, the contact portion having an outer diameter (D) substantially corresponding to the maximum width (w) of the hexagonal fastening element part. The invention also. relates to a fastening element.

Abstract: The present invention relates to a fast extraction threaded nut intended to be used on a threaded bolt or male member wherein the fast extraction threaded nut comprises at least an outer face and an axial bore as to allow insertion of a male member or like, wherein the fast extraction threaded nut and the threaded bolt have tightening means with common geometry, and the fast extraction threaded nut and the threaded bolt or male member are intended to join or connect two elements that need to be attached or coupled to each other, wherein the fast extraction threaded nut comprises in at least the outer face a notch of variable section and the notching is formed by at least two faces wherein the maximum cross-section of the notch is positioned in the outer area and the minimum section is positioned prior to the axial bore at such a distance that allows for the generation of an increase area which extensively grows until reaching the inner surface of the axial bore where the common tightening means is formed thus

Abstract: A nut 1 of the present invention has a nut body 2 including a female screw part 5 extended axially and a flange part 4 projected outward from a side surface of the nut body 2; and an unconductive ring-shaped resinous member 3 covering a peripheral portion of the flange part 4. The flange part 4 has a disk-shaped flange body portion 41; and a seat surface-forming portion 42 which is extended downward from a lower surface of the flange body portion 41, has a smaller diameter than the flange body portion 41, and has a seat surface 43 to be pressed against a portion where the nut is to be mounted. The unconductive ring-shaped resinous member 3 has an edge part 31 located below the seat surface 43 and outward from the flange body portion 4; and an annular skirt part 32 whose diameter gradually increases to the edge part 31.

Abstract: The invention relates to a connection element, in particular a plate nut, comprising a base body for attachment of an arbitrary component to a metallic planar object, in particular to a sheet metal. According to the invention, the base body comprises a securement portion the cross-sectional geometry of which deviates from a circular shape, the securement portion being at least partially positively receivable in a deformation in the sheet metal. The base body is, by means of a holding device, secured in the deformation against dropping out. In an alternative embodiment of the connection element, wherein unilateral accessibility to the sheet metal is sufficient, the holding device is formed by bead portions in a shaft area of the base body, which are plastically deformed into a bead by pull-out of a threaded bolt that is screwed into a thread portion.

Abstract: A nut is disclosed including a body having a visual indicator coupled thereto and integral therewith. The visual indicator provides a visual indication of a stress state of the body of the nut.

Abstract: A vehicle nut holding apparatus aims to improve the disadvantages of conventional holding apparatus that are difficult to fabricate and assemble, and cannot hold vehicle nuts securely and differentiate usage of the nuts. The holding apparatus of the invention has a plurality of housing troughs to hold a plurality of vehicle nuts. Each vehicle nut has at least one protrusive portion and one indented portion adjacent to each other. Each housing trough has a bottom and a side wall abutting the bottom. The side wall has a retaining recess corresponding to the protrusive portion and a retaining boss corresponding to the indented portion. The retaining recess is located between the retaining boss and the bottom. The retaining recess and retaining boss can retain the vehicle nut and allow the vehicle nut to be held in a displaying manner to indicate its usage.

Abstract: Exemplary embodiments of the invention include a door derailing prevention member having a body with a middle section and a circumferential surface. An installation stud is positioned at the middle section and a boss part is mounted to the body and is configured to mate with a hole and secure the body in a fixed position. The body has a radius that varies along the circumferential surface.

Abstract: A pin assembly for providing a stable anchor on multiple ends has an axle having a pair of end members formed on each end of the axle. The axle is placed in a first opening in a first mounting end of a component part and extends to a second opening in a second mounting end of the component part. A bearing is mounted on a central section of the axle. A spacer is positioned between the bearing and one of the first or second mounting ends. A pair of expansion sleeves is provided wherein one of the pair of expansion sleeves is positioned over each of the end members of the axle. A pair of locking devices is provided wherein one of the pair of locking devices is coupled to each of the end members. When tightened, the locking devices cause the expansion sleeves to press against interior walls of the first and second openings to anchor the axle.

Abstract: A cable lug and a method of use is provided. The cable lug has a receiving tube section for a cable, a flat piece-connecting section that is molded on and is provided with a bore, and a nut which is captively and preferably rotatably mounted on the flat piece-connecting section. The nut does not penetrate the flat piece-connecting section while being mounted by a shaped mounting material section of the flat piece-connecting section, which extends into an undercut in the nut. The mounting material section is in the undercut with an axial clearance. The mounting material section is rooted in a lowered in a step-type manner in the flat piece-connecting section. The lowered area is rotationally symmetrical and is provided with a conical section which opens outward and vertically and encompasses at least one conical area.

Abstract: The internally threaded connector device (10a) is a thin-walled, internally threaded tube. A relatively short portion of the device includes a polygonal wrench gripping flange area. The device (10a) is installed on an existing short length of externally threaded stud (BS). Another length of externally threaded stud (12) is installed in the internally threaded connector (10a) so that the second externally threaded stud (12) extends beyond the face of a secured component, such as a flange (F). In an exemplary embodiment, a conventional nut (N) or the like is installed on the end of the second externally threaded stud (12) to secure a flange (F) and associated gasket (G) and pipe (P) to a manifold assembly (M).

Abstract: An extension apparatus for anchor bolts includes a head and a shank. The head is comprised of a plurality of surfaces and a head bore. The bore is sized to receive an anchor bolt. The shank is an elongate cylindrical member with a shank bore sized to receive an anchor bolt.