Abstract: The present invention relates to a handheld high-pressure cleaning machine, including: a main machine housing, allowing detachable attachment of a battery pack, where the main machine housing includes a main body portion; a liquid outlet; a first handle; a motor; and a pump, where a battery pack mounting portion includes a first battery pack mounting portion and a second battery pack mounting portion, and the battery pack includes a first battery pack and a second battery pack; and the first battery pack mounting portion and the second battery pack mounting portion are respectively disposed on left and right sides of a middle plane in a manner that a distance W2 between a leftmost edge of the first battery pack mounting portion and a rightmost edge of the second battery pack mounting portion is not greater than a width W1 of the main body portion.

Abstract: An adhering matter removing method for removing adhering matter on a surface of an article includes the step of immersing a target surface of the article into a fluidized bed.

Abstract: A method of treating a sensor array including a plurality of sensors and an isolation structure, where a sensor of the plurality of sensors has a sensor pad exposed at a surface of the sensor array and the isolation structure is disposed between the sensor pad and sensor pads of other sensors of the plurality of sensors, comprises exposing the sensor pad and the isolation structure to a non-aqueous organo-silicon solution including an organo-silicon compound and a first non-aqueous carrier; applying an acid solution including an organic acid and a second non-aqueous carrier to the sensor pad; and rinsing the acid solution from the sensor pad and the isolation structure.

Abstract: Embodiments of the inventive concept provides an apparatus for treating a substrate. The apparatus for treating a substrate comprises a housing having a process space therein, a substrate support unit supporting a substrate in the space, a liquid supply unit supplying a liquid to a substrate supported by the substrate support unit, an air flow generation unit generating an air flow in the process space, and the air flow generation unit comprises a first gas supply unit supplying a descending air flow of a first gas in the process space and a second gas supply unit supplying a second gas having lower humidity than the first gas in the space, and when viewed from above, the first gas supply unit and the second gas supply unit are not overlapped each other.

Abstract: Providing a substrate cleaning device and a substrate cleaning method having high detergency. Provided is a substrate cleaning device including: a substrate rotating mechanism that rotates a substrate; and a first nozzle and a second nozzle that eject an ultrasonic cleaning solution toward a predetermined surface of the substrate that is rotated, wherein the first nozzle and the second nozzle are held in one casing.

Abstract: An aggregate-removal method includes placing a metallic article in a tank of fluid, a piece of aggregate being lodged in a feature of the metallic article, and treating the metallic article with sound waves to dislodge the lodged aggregate from the metallic article. An aggregate-identification method includes applying a fluorescent penetrant solution to a metallic article, exposing the metallic article to UV light, and identifying fluorescing aggregate lodged in a feature of the metallic article.

Abstract: A vehicle includes at least one hose extending from the vehicle and configured to extend below ground through a manhole, and a light system. The light system includes a storage member, such as a retractable reel, coupled to the vehicle, a flexible line wrapped at least partially around the storage member, and a light source coupled to the flexible line. The storage member is adapted to selectively extend and retract the light source together with the hose below ground, and the light source is storable on the vehicle adjacent the storage member. The light source has a self-contained power source. In some systems, the flexible line and/or the light source are removable from the vehicle so they can be moved to a remote location from the vehicle.

Abstract: Methods for the chemical dissolution of human and other cadavers, such as pets as an example, using ethanolic potassium hydroxide (KOH) or ethanol-water solutions of KOH at atmospheric pressure are described. After acid neutralization, to a neutral pH range, the resulting solutions may be applied to the earth for disposal as fertilizer, or further treated using hydrogen peroxide. Use of ethanol has been found to reduce the dissolution time of the cadavers to approximately two hours for high concentrations of KOH.

Abstract: Device for handling a strip-shaped metal material in metal working, wherein the device comprises: at least one roller element, preferably a roller, a roll or a winch, which is provided for changing the cross-section, for transporting, storing, tension build-up and/or tension release in the strip-shaped metal material, and a drive, which has an electric motor, preferably a torque motor or a synchronous motor, with a stator and a rotor, wherein the device further has a frame, the rotor is connected to the roller element, by which the rotation of the rotor is transmitted to the roller element, and the stator is mounted directly on the frame and/or the rotor is connected directly to the roller element or a shaft of the roller element.

Abstract: The invention relates to a method and a regulating device for regulating a rolling process, wherein a rolling material is rolled in a rolling gap between two working rollers of a rolling stand. According to the invention, a desired forward slip value (fs) for a forward slip (f) of the rolling material is specified, and an actual forward slip value (fM) of the forward slip (f) of the rolling material is ascertained. The forward slip (f) of the rolling material is regulated to the desired forward slip value (fs) in that a lubricant rate (uR) of a lubricant is applied to the rolling material and/or at least one working roller depending on the actual forward slip value (fM) and the desired forward slip value (fs).

Abstract: Provided is a method of manufacturing a pipe including a large-diameter portion, a small-diameter portion, and a reduced diameter portion connecting the large-diameter portion and the small-diameter portion, the method comprising: forming a metal plate member into a U-shaped member having a U-shaped cross section; and forming the U-shaped member into a shape of the pipe. The U-shaped member includes: a curved portion facing an opening between both edges of the U-shaped cross section; and two facing side walls continued from the curved portion. An opening degree of the two facing side walls in a portion to form the small-diameter portion is larger than an opening degree of the two facing side walls in a portion to form the large-diameter portion.

Abstract: A slew-actuated stamping station includes an expandable core configured to apply radially outward pressure to a radially inward facing surface of a radial wall, and at least one slew-actuated punch for piercing, along a radially inward direction, a respective hole in the radial wall. A method for piercing a radial wall includes simultaneously (a) applying radially outward pressure against a radially inward facing surface of the radial wall, and (b) driving a slew to actuate at least one punch to pierce, along direction opposite the radially outward pressure, at least one hole in the radial wall. A method for forming an object, having a radial wall with holes, includes forming a ring with a radial wall, and piercing at least one hole in the radial wall with at least one slew-actuated punch.

Abstract: A method for producing an expanded metal, the method including producing a sheet of the expanded sheet metal by introducing openings through one expansion blade wherein all the openings are configured as diamond shaped loops without a material loss and defined by a loop width, a loop length and a loop shape; and forming the diamond shaped loops respectively by four linear bars that are defined by a bar width and a bar thickness wherein two of the four linear bars are respectively connected at four nodes; arranging plural of the diamond shaped loops in columns adjacent to one another and in rows adjacent to one another; and forming first columns of first diamond shaped loops different from second columns of diamond shaped second loops in a loop width or in a loop length respectively measured from a node center to a node center.

Abstract: A side trimming device according to an embodiment of the present invention may comprise: a cutting unit for mechanically cutting a transferred steel plate; a groove forming unit for forming a groove in a cutting-scheduled area in front of the cutting unit with reference to the steel plate transfer direction; and a washing unit arranged adjacent to the groove forming unit so as to suction molten material accumulating in the groove in the side direction of the steel plate.

Abstract: A forming roller adjustment system has a shaft, a key, a roller and a ring. The key fits into a keyway in the shaft and has a projecting portion that projects outwardly from the shaft. The projecting portion includes spaced, transverse channels. The ring is rotatably attached to the roller. The roller and ring each have a shaft aperture that receives the shaft, and a keyway that receives the projecting portion of the key. The ring fits into the channels in the projecting portion of the key. When the keyways on the ring and roller are aligned, the roller is movable along the shaft. When the ring is aligned with one of the channels in the projecting portion of the key and rotated into the channel, the roller is axially locked on the shaft.

Abstract: The invention relates to a tool magazine (26) for a bending machine (3), in particular for a press brake, wherein the tool magazine (26) has several storage rails (28), which are arranged in a magazine housing (27) and serve to hold bending tools (4), wherein the storage rails (28) are designed in such a way that several bending tools (4) can fit lined up one behind the other in the longitudinal extension (30) of the storage rails. The storage rails (28) can be pulled out from a front side (29) of the magazine housing (27) in the direction of the longitudinal extension (30) of the storage rails.

Abstract: A heat pipe structure includes a base block including a rear surface part thermally connectable to a heat generating body and a heat pipe fixed to a front surface part of the base block and including a heat receiving tubular portion disposed along an in-plane direction of the base block. The base block has a longitudinal direction and a width direction and includes a recessed part in which the heat receiving tubular portion is housed and a pair of wall parts projecting along an outer circumferential surface of the heat receiving tubular portion from width direction both sides of the recessed part, and a container of the heat pipe is caulked and fixed by the recessed part and the pair of wall parts and includes a projecting shape part projecting in a direction opposite to a direction of the caulking between distal end portions of the pair of wall parts.

Abstract: A method for joining dissimilar materials is provided. The method includes a solid-state joining process in which a rivet is plunged into a predrilled hole in a top workpiece. When the rivet contacts the bottom workpiece, ultrasonic vibration by oscillatory motion of a sonotrode, such as horizontal, vertical, or rotational motion, creates frictional heat at the interface between the rivet and the lower workpiece. With the aid of frictional heat and axial compression, metallurgical bonding is achieved at the interface between the rivet and the bottom sheet, while being below the melting temperature of the bottom workpiece. The sonotrode is retracted while the rivet remains.

Abstract: Apparatus and methods for installing composite rivets are disclosed. One disclosed method comprises: inserting a composite rivet blank comprising a composite material into a hole in a part; heating the composite rivet blank using Joule heating while the composite rivet blank is in the hole; and then finishing the composite rivet blank.

Abstract: A method for making a socket and a pawl of a ratchet wrench includes a step of preparing: preparing a socket and a pawl; a step of first treatment: making the socket to have a body, a reinforcement portion and a driving hole, the driving hole defined axially through the body and having an axis, multiple ridges extending axially and inward from the inner periphery of the driving hole, the body having outer teeth formed on the outer periphery thereof, the reinforcement portion being an annular portion and formed along one of two ends of the body, the socket being treated by way of forging, the pawl having a toothed portion and a recess, the toothed portion engaged with the outer teeth of the socket, the pawl being made by way of metal injection molding, and a step of secondary treatment: polishing the socket and the pawl.

Abstract: A method of reusing core sand includes crushing a core used for casting into granules, the core includes water glass as a binder, and the water glass includes water-soluble water glass and water-insoluble water glass; heating the core; detaching the water glass from the core sand; and separating and collecting the core sand from a mixture of the water glass and the core sand.

Abstract: The moulding machine includes a moulding chamber having at least one chamber end wall provided with a pattern plate adapted to form a pattern in a mould part and associated with a reference pattern block positioned in fixed relationship to a pattern of said pattern plate and adapted to form a reference pattern in an external face of a mould part. A detection system detects the position of a pattern face of the reference pattern of the sand mould part. A transverse and/or a rotational compaction position of a pattern plate is adjustable by means of at least one actuator. Said actuators are controlled by means of a control system on the basis of successive position detections performed by the detection system of pattern faces of reference patterns of compacted sand mould parts traveling along said path of travel.

Abstract: In a method of manufacturing a filter feeder intended for insertion into a casting mold used for casting metals, the filter feeder has a feeder body comprising an inner feeder volume, consisting of an exothermic and/or insulating material, with a lateral wall region and with a bottom region comprising a feeder opening for connecting the feeder volume to a casting cavity. A filter element is fixed in the feeder body of the filter feeder. The invention also concerns a device suitable for carrying out the process.

Abstract: A vacuum die casting method may include: coupling a fixed die and a movable die to each other; closing a molten metal pouring hole formed in a sleeve using an injection plunger operated in the sleeve, which is formed on a lower side of the fixed die or the movable die; performing vacuum decompression in a cavity formed between the fixed die and the movable die using a vacuum decompression device connected to chill vent blocks provided on upper portions of the fixed die and the movable die; supplying oxygen in the cavity using an oxygen supply device connected to the chill vent blocks after completing the step of performing vacuum decompression; and supplying a molten metal to the cavity through the molten metal pouring hole.

Abstract: A metal additive manufacturing device is disclosed herein. The wire feeding mechanism in the protective bin can convey metal wires towards the substrate, the working medium filtration and circulation module conveys working mediums into the protective bin and discharges working mediums, the working medium between the metal wire and the substrate or between two metal wires is broken down, and plasma is generated and maintained; and under the action of high temperature of the plasma, the metal wires quickly melt to form the metal droplets. The rotating shaft drives the rotating arm to rotate. The working bin modules are disposed at both ends of the rotating arm. The droplets formed by the melting of the metal wires fly away from a melting area under the action of a centrifugal force, and the droplets reach the substrate or the surface of a machined workpiece, cool and solidify, and crystallize.

Abstract: A method for producing a cast workpiece includes the following method steps: providing a mold having at least one mold core arranged in the mold; inserting a metal melt into the mold; waiting for a period of time until at least the outer contour of the metal melt has solidified and the workpiece has been formed from the metal melt; removing the workpiece from the mold; shattering the mold core, wherein this method step is carried out before the workpiece has entirely cooled down from the casting process. For shattering the mold core, a hammer head is applied on a defined energy transmission surface of the workpiece and the energy transmission surface is acted on, in particular hit on, by the hammer head.

Abstract: Disclosed herein are embodiments of methods, devices, and assemblies for processing feedstock materials using microwave plasma processing. Specifically, the feedstock materials disclosed herein pertains to scrap materials, dehydrogenated or non-hydrogenated feed material, and recycled used powder. Microwave plasma processing can be used to spheroidize and remove contaminants. Advantageously, microwave plasma processed feedstock can be used in various applications such as additive manufacturing or powdered metallurgy (PM) applications that require high powder flowability.

Abstract: A method for preparing a rare earth anisotropic bonded magnetic powder, comprises the following steps: (1) preparing raw powder with RTBH as the main component, wherein, R is Nd or Pr/Nd, and T is a transition metal containing Fe; (2) adding La/Ce hydride and copper powder to the raw powder to form a mixture; (3) subjecting the mixture to atmosphere diffusion heat treatment to give the rare earth anisotropic bonded magnetic powder. The invention selects high-abundance rare earth elements La, Ce to replace Dy, Tb, Nd, Pr and other medium and heavy rare earth elements, which can achieve the same coercivity improvement effect while also significantly reducing the cost, thereby achieving efficient application of low-cost and high-abundance rare earths.

Abstract: An insulator-coated magnetic alloy powder particle includes a magnetic alloy powder particle and an insulator that coats a surface of the magnetic alloy powder particle and that has a plurality of protrusions at a surface thereof, wherein the insulator includes a first insulator in a particulate form enclosed in the protrusion, and a second insulator in a film form that coats at least a part of a surface of the first insulator.

Abstract: Provided is a sizing apparatus including: a die set including a die plate that holds a die provided with a through hole to which a workpiece is to be supplied, and upper and lower punches that are to be inserted into the through hole to press the workpiece; a press main body that includes punch driving mechanisms that actuate the punches and in which the die set is configured to be attached to and detached from a predetermined position; and a turntable that is rotated on the die plate and supplies a workpiece to the die and discharges a workpiece from the die. The die set includes the turntable, and a supporting base on which the turntable is placed. The supporting base includes an axis positioning portion that is provided coaxially with a central axis of the turntable and positions the central axis at a predetermined position of the supporting base.

Abstract: Methods and apparatuses for in situ synthesis of alloys and/or composites are disclosed, the method comprising: (a) providing an apparatus having: an electromagnetic energy source; an autofocusing scanner; a powder system; a powder delivery system; and computers coupled and configured to control the electromagnetic energy source, the autofocusing scanner, the powder system, and the powder delivery system; (b) programming the computers with structural and material specifications of the sample; (c) using the computers to control electromagnetic radiation, powder mixture, and powder deposition parameters; and (d) focusing and scanning the electromagnetic radiation onto the sample while two or more powders are concurrently deposited onto the sample to deposit layers onto the sample for multiple metal powder synthesis, metal and ceramic synthesis, ceramic synthesis, and/or gradated composition synthesis, wherein the layers comprise at least one new material which differs from the two or more powders.

Abstract: A method of forming a mated component pair includes forming a first geometry on a first mating surface of a first component and a complementary second geometry on a second mating surface of a second component. The first geometry and the second geometry can be determined from a geometric key associated with a component identifier, e.g., by inputting the geometric key into a mathematical algorithm or random number generator. When a replacement for the second component is needed, the component identifier may be obtained from the first component, the component identifier may be used to obtain the geometric key, and the geometric key may then be used to determine the second geometry. The second geometry may then be formed on the second component such the second component may properly mate with the mated first component.

Abstract: A process for additive manufacture of an article including conjoined first and second metals, wherein the first metal includes one of steel and titanium and the second metal includes another of the steel and the titanium. The process comprises arranging an interface layer of a third metal on a substrate of the first metal, wherein the third metal is capable of forming an alloy with the first metal and capable of forming an alloy with the second metal. The process further comprises supplying a consumable form of the second metal to a locus of the interface layer and heating the locus of the interface layer in an non-reactive environment. In this process, the heating fuses the consumable form of the second metal to render a fused form of the second metal and joins the fused form of the second metal to the interface layer.

Abstract: A method for producing a sintered member, including the steps of: preparing a raw powder; press-forming the raw powder to produce a green compact; and sintering the green compact by high-frequency induction heating, wherein temperature of the green compact in the sintering step is controlled to satisfy all the following conditions (I) to (III): (I) the temperature is increased without maintaining the temperature in a temperature range equal to or higher than an A1 point of an Fe—C phase diagram and lower than the sintering temperature of the green compact, (II) a heating rate is set to 12° C./s or more in a temperature range of the Ai point to an A3 point of the Fe—C phase diagram, and (III) a heating rate is set to 4° C./s or more in a temperature range of the A3 point of the Fe—C phase diagram to the sintering temperature of the green compact.

Abstract: Disclosed is a cartridge case for various caliber ammunition that consists essentially of a powdered metal and/or powdered metal alloy that is formed into the cartridge case through an injection mold processing. Also disclosed is a method for forming a cartridge case, which may include use of Metal Injection Molding (“MIM”) processes to produce the cartridge case which retains a primer, propellant, and/or a bullet. The method can include metal injection molding an initial part, and also at least one of tapering and trimming the initial part to form the finished cartridge case. Further embodiments can include the use of Finite Element Method (FEM) analysis to develop an optimized MIM design.

Abstract: The present invention is a method for manufacturing silver nanowires, including using a growth control agent and a halide salt in a polyol to obtain silver nanowires from a silver salt, and further using an ?-hydroxycarbonyl compound (a) represented by formula (1) below: (in general formula (1), R indicates any of a hydrogen atom and a hydrocarbon group having 1 to 6 carbon atoms).

Abstract: A method and system for additively manufacturing a three-dimensional component from multiple component layers (Li, Lk) by repeated incremental addition in layers of a metallic component starting material, and in incremental, shaping consolidation of the component starting material by respectively selective melting and/or sintering by means of an amount of heat introduced by at least one energy source according to a scanning strategy, the method including dividing each component layer into segments, wherein the division of a component layer into segments, the time sequence of the creation of individual segments, the layout of the scanning vectors within a segment, and/or the time sequence of the scanning vectors within a segment in the creation of respective segmented component layers takes place on the basis of a determined local heat dissipating capability or on the basis of a function of the same in a respective component layer.

Abstract: An apparatus for fabricating a three-dimensional object from deposition of layers made of reinforcement material and of extrudable material is described. The apparatus comprises: an extrusion assembly comprising a feeder having a longitudinal hole adapted for conveying the reinforcement material and wherein the feeder is adapted for conveying the extrudable material at least partly outside the longitudinal hole; a reinforcement material driving mechanism for driving the reinforcement material to the extrusion assembly; and a building platform on which is made the deposition of layers of reinforcement material and of extrudable material.

Abstract: A portable pipe threader includes a stand upon which a pipe is supported, a carriage supported by the stand, and a plurality of pipe threading tools coupled to the carriage and selectively operable to perform work on the pipe. The portable pipe threader further includes a drive assembly mounted to the stand including a brushless direct current (“DC”) motor operable to provide torque to one of the pipe or a selected one of the pipe threading tools to rotate the pipe and the selected one of the pipe threading tools relative to each other, and a battery pack supported by the stand in selective electrical communication with the motor to provide electrical power to the motor.

Abstract: A coated cutting tool includes a substrate of cemented carbide and a coating. The cemented carbide is made of WC and a binder phase of one or more of Co, Fe and Ni. The carbon content in the cemented carbide is a substoichiometric carbon content SCC, wherein ?0.13 wt %?SCC<0 wt %, or ?0.30 wt %?SCC??0.16 wt %. The coating includes one or more layers being a metal carbide, metal nitride or metal carbonitride, the metal being at least one of Zr and Hf, and wherein Ti is present in an amount of at most 10 at-% of the amount metal. The one or more layers is situated between the substrate and the aluminum oxide layer.

Abstract: A cutting tool, comprising a substrate having a cutting surface and a coating adhered to the cutting surface in a solid state, wherein the coating includes a soft metal and is capable of melting and functioning as an in-situ liquid lubricant when the cutting tool is applied in a machining operation. Also, a method of applying a coating to a cutting tool, comprising receiving a premachining workpiece, the premachining workpiece formed of a coating material including a soft metal; and machining the premachining workpiece with the cutting tool such that a layer of the coating material adheres to a cutting surface of the cutting tool in a solid state.

Abstract: A drilling tool comprising a tool holder that extends along a central axis and comprises a first cutting insert receptacle having a first abutment surface oriented parallel to the central axis.

Abstract: Drilling tools and/or drill bits having notches with buttressed regions and/or notches therewithin to improve notch strength. In some embodiments, the drill/drill bit may comprise a shank comprising a cutting face, the cutting face terminating in a cutting edge. A notch may be formed along the cutting edge, which may be configured to separate chips formed by the drilling tool during operation. A buttressed region may be formed within the notch and may terminate along the cutting edge. The buttressed region may expand a size of the notch in one or more dimensions.

Abstract: The present application provides an adjustable mandrel and a fixture. The adjustable mandrel comprises an outer-diameter adjusting assembly and a height adjusting assembly, wherein the external diameter and the height of the mandrel can be adjusted according to wheels in different specifications, the wheels in different specifications are clamped, and the radial positioning of the wheel and the axial positioning of the wheel during second-step processing are realized. Two adjusting systems supplement each other, so that the structure is novel, the concept is ingenious, the universality is high, the application range is wide, and the machining cost is reduced.

Abstract: A core bit for producing a borehole in a workpiece includes a cutting portion with one or more cutting segments, a drill shaft portion with a tubular drill shaft, and a connecting device which connects the cutting portion and the drill shaft portion releasably or non-releasably together. The tubular drill shaft is configured as a welded spiral tube.

Abstract: A milling device for milling an antenna structure out of the metal layer of a flexible product, while the product is being passed through a milling gap between a milling cutter and a die, using a light emitter to output a light strip that crosses through the milling gap in or transversely to a running direction of the product, wherein the light strip is dimensioned, and the milling cutter and the die are intended to be arranged, such that the milling cutter and the die shadow the light strip at the two longitudinal edges thereof, before a light receiver receives the light strip, and using the light receiver to output a signal that reproduces the width of the milling gap to a controller, and outputting an adjusting signal at least to an adjusting drive that influences the width of the milling gap between the milling cutter and the die.

Abstract: A milling device for machining a slot into an inner surface of a casing for a gas turbine engine. The milling device includes a frame assembly including multiple structural guides configured to engage structural features on the inner surface of the casing to maintain an axial position of the milling device relative to a longitudinal axis of the casing. The milling device also includes a milling cutter coupled to the frame assembly. The milling device is configured to be displaced in a circumferential direction relative to the longitudinal axis to machine the slot, via the milling cutter, along the inner surface of the casing in the circumferential direction.

Abstract: A retainer, that holds a group of precision, off-the-shelf components in relative alignment so as to allow a standard key duplicating machine to function as a key code origination machine is disclosed. A person of ordinary skill in pinning a lock and operating a key duplicating machine is able to practice the invention. An aspect of the invention is that an ordinary, inexpensive key duplicating machine can be converted to code-cutting functionality with minimal cost, requiring no adaptation of key duplicating machine. Also disclosed are methods of positional registration, machine error compensation, and notch shaping.

Abstract: A cutting insert and a shoulder milling tool are disclosed. The cutting insert includes a surface-wiping secondary cutting edge inclined in relation to a median plane of the cutting insert, such that a distance to the median plane decreases in a direction toward a corner cutting edge. A circumferential surface includes a clearance surface extending along a main cutting edge. The clearance surface along the main cutting edge extends at an acute angle to the median plane, such that the clearance surface forms a negative nominal clearance angle, and wherein the circumferential surface includes first and second abutment surfaces configured for abutment against axial and/or radial support surfaces of the milling tool, the abutment surfaces extending along at least part of the main cutting edge and the surface-wiping secondary cutting edge.

Abstract: A cutting insert includes an upper surface having a circular cutting edge, a lower surface opposite the upper surface, an exterior sidewall between the upper surface and the lower surface, and an interior sidewall defining a hole extending from the upper surface to the lower surface. The interior sidewall includes an upper interior sidewall portion and a lower interior sidewall portion. The lower interior sidewall portion increases in radius with respect to a downward direction of the cutting insert. The lower interior sidewall portion includes a plurality of recessed portions positioned about a circumferential direction of the lower interior sidewall portion.