Abstract: A cutting insert may include a first surface having a polygonal shape, a second surface, a third surface and a cutting edge. The first surface may include a first corner, a first side, a first inclined surface located along the first side, and a second inclined surface located along the second side. In a plan view of the first surface, a width of the first inclined surface in a direction orthogonal to the first side may become larger as approaching the second side. A width of the second inclined surface in a direction orthogonal to the second side may become larger as approaching the first side.

Abstract: A cutting tool has a tool body having at least one pocket, at least one cutting insert releasably fixed to the pocket and a fastening device for securing the insert in the pocket. The pocket has a raised portion) with a flat upper support face arranged to be received in a recess of the insert and support the insert by receiving a bottom surface of the recess bearing on the support face. A projecting member of the raised portion has delimiting walls designed to bear against border walls of the recess of an insert for establishing mutual contact therewith and prevent rotation of the insert in the pocket by receiving a rotational moment acting on the insert in an active chip-removing state of the tool.

Abstract: A cutting insert has: first sub cutting edges at positions corresponding to first corner portions of a polygonal top surface; second sub cutting edges at positions corresponding to second corner portions; and main cutting edges on side portions. In a side view, each of the main cutting edges has a first cutting edge adjacent to the first sub cutting edge, a second cutting edge adjacent to the second sub cutting edge, and a third cutting edge between the first cutting edge and the second cutting edge. Each of the main cutting edges inclines such that the height thereof decreases from a portion adjacent to the first sub cutting edge to a portion adjacent to the second sub cutting edge. An inclination angle of the third cutting edge is greater than inclination angles of the first cutting edge and the second cutting edge.

Abstract: An indexable cutting insert for a milling tool includes an upper side defining an upper extension plane and a lower side defining a lower extension plane parallel to the upper extension plane. A side surface connects the upper side and the lower side, the side surface including a plurality of upper main clearance surfaces and secondary clearance surfaces. At least six identical and alternately usable upper cutting edges extend around the upper side. Each cutting edge has a chip removing main cutting edge portion and at least one secondary cutting edge portion. The main cutting edge portion is formed in a transition between the upper side and one of the upper main clearance surfaces. The secondary cutting edge portion is formed in a transition between the upper side and one of the secondary clearance surfaces between two main cutting edge portions. The upper main clearance surfaces are formed at an obtuse inner angle ? with respect to the upper extension plane as seen in side elevation view.

Abstract: A cylindrical cutting tool for processing splines formed on an outer circumference of a shaft member to extend in an axial direction includes blade portions which are formed in a spline shape on an inner circumference. The blade portions include: a first blade portion which is formed in a terminal end portion in a first direction along the axial direction and which is directed substantially toward the first direction; and a second blade portion which is formed in a terminal end portion in a second direction along the axial direction and opposite to the first direction and which is directed substantially toward the second direction.

Abstract: A method and a device for facing surfaces of workpieces, in particular made of light metal alloys, in which a cutting tool is moved in a feed direction relative to the surface and removes material at a defined thickness by cutting, wherein the cutting tool is moved in a defined feed direction with one or more cutter bars oriented substantially parallel to the surface. The cutter bars are always set at an angle of <90° but >0° with respect to the feed direction. In this way, surfaces with high surface quality can be produced, in particular for workpieces made of light metal, with cost-effective machining parameters.

Abstract: A milling cutter for chip removing machining, including a basic body rotatable in a predetermined direction around a center axis and having a front end surface and an envelope surface that extends axially backward from the front end surface and is concentric with the center axis. A number of indexable milling inserts are mounted in respective peripherally spaced-apart seats having a mutually fixed pitch, each milling insert including an upper side, an under side and at least one clearance surface, the clearance surface together with the upper side delimiting at least two alternately active cutting edges that are uniform in their extension between first and second end points. The cutting edges of each milling insert are situated on different levels in relation to the under side of the milling insert to alter the effective pitch between the active cutting edges of the milling inserts by indexing of at least one of the milling inserts.

Abstract: A cutting tool holder blade is formed of hard metal, having a front plane, a perpendicular mid-plane. An insert pocket of the holder blade has a base jaw and a clamping jaw resiliently connected to the base jaw in a unitary one piece construction. The base jaw has a base jaw abutment surface and the clamping jaw has a clamping surface facing opposite the base jaw abutment surface, and an insert stop surface. A curved inner surface extends from the base jaw abutment surface towards and along the clamping jaw, the curved inner surface having a front extremity portion. The clamping jaw is narrowed down adjacent the front extremity portion, such that the clamping surface overhangs the front extremity portion of the curved inner surface, in a direction towards the base jaw and away from the front plane. The holder blade may be formed of cemented carbide.

Abstract: A lathe has a plurality of turret positions with at least one having a toolholder, a pair of blades projecting from one end of the toolholder with the toolholder structured to assume a first position with a first blade machining said workpiece which is rotating in a first direction and a second position with a second blade structured to assume a second position with the workpiece rotating in the other direction. The toolholder remains fixed during machining, Related methods and toolholders are disclosed.

Abstract: Insert pockets of tool holders configured to accommodate multiple differently-shaped cutting inserts are disclosed. Cutting tool holders and cutting tool systems are also disclosed.

Abstract: A milling tool for rotary cutting machining, including a tool body having a rotation axis, a plurality of insert seats adapted to receive respective milling inserts arranged in one end of the tool body, and a plurality of damping members arranged inside the tool body which suppress operation-induced vibrations in the tool. The damping members being arranged radially displaced from the rotation axis, displaced from the insert seats, and adjacent to the one end of the tool body.

Abstract: A cutting tool includes a tool body having a plurality of pockets for receiving cutting inserts. Each pocket includes a bottom support surface, an axial support surface, a radial support surface and a corner relief between the bottom support surface and the axial support surface. A pocket feature is at least partially located proximate the pocket, and more specifically, at least partially located on a wall between the axial support surface and the radial support surface for reducing a tensile stress of the cutting tool during a machining operation.

Abstract: A tool for chip removing machining, including a basic body, in which at least one seating is included, which is delimited by a base surface and a rear support protruding in relation to the base surface, the base surface including a first coupling section in the form of one or more ridges and grooves, and a replaceable cutting insert having an upperside, an underside and a clearance surface extending between the upperside and the underside and transforming into the upperside via at least one cutting edge, the underside including a second coupling section having one or more grooves and ridges which engage the grooves of the first coupling section, and vice versa, at the same time as a part of the clearance surface is urged against the rear support. An imaginary extension of the ridges of the first coupling section extends by the side of the rear support.

Abstract: A milling cutter includes a disk like cutter body having radially directed slots and a central aperture. An exchangeable hub of the milling cutter has two adapter members located on either side of the cutter body and has an inner side wall. One of the adapter members has at least two protrusions formed on the adapter inner side wall and one of the two adapter members has a raised portion located on the adapter inner side wall. The adapter members are secured to the cutter body by the protrusions positioned in the slots and the raised portion positioned in the central aperture.

Abstract: A toolholder assembly has a pocket adapted to receive a double-sided on-edge cutting insert with wiper facets. A pocket has at least two sides and supports pads extending from each of the at least two sides, wherein the support pads contact the wiper facets of the cutting insert when the cutting insert is mounted within the pocket.

Abstract: Cutting inserts are described having at least two discontiguous clearance faces. Cutting tool systems including the cutting inserts are also described. An indexable cutting insert includes a top face, a bottom face, and at least two clearance faces connecting the top face and the bottom face at a periphery of the cutting insert. The at least two clearance faces include a primary clearance face contiguous with the top face and forming a cutting edge at an intersection of the primary clearance face and the top face, and a secondary clearance face discontiguous with the primary clearance face and separated from the primary clearance face by a bridge surface, and wherein a primary clearance angle formed by the primary clearance face is larger than a secondary clearance angle formed by the secondary clearance face.

Abstract: The present invention relates to a tool holder (1) that either has a modular design, and the modules of which are centered via interfaces, or/and in which a centered interface (9) is provided between the tool (5) and the tool receiver (4) such that high concentricity, and thus a high processing accuracy are achieved. The present invention further relates to a system comprising a tool holder (1) and a tool (5).

Abstract: A machining tool insert holder comprises a first surface, a second surface opposite the first surface, and a first insert tip slot extending between the first surface and the second surface, The first insert tip slot is configured to support a first insert tip. The insert holder further includes elevated projections extending from the first and second surfaces proximate the first insert tip slot.

Abstract: Rotary material removal tool mounted to a shaft for rotational motion includes a body and a plurality of radially extending arms. Each arm includes a radially outward peripheral edge, and, relative to a direction of rotational motion of the body, a leading side and a trailing side. Radially outward peripheral edges include a cutting insert mounting structure that projects axially below a bottom side of the body. The rotary material removal tool includes at least one of the following features to reduce measured air pressure (P1): (i) a leading edge of the insert mounting structure includes an air-displacement structure, (ii) the radially extending arms include at least one through-opening extending from the leading side to the trailing side, and (iii) the bottom side of the body is spaced from a plane containing a bottommost surface of the projecting cutting insert mounting structure. The air-displacement structure can be generally wedge-shaped, cone-shaped or pyramid-shaped.

Abstract: A tool holder, used for holding a milling cutter and a grinding wheel, includes a tool bar, a tool base, a flange, a mounting shaft, and a fixing ring. The flange is formed on an end of the tool bar. The tool base is used for mounting the milling cutter. The ends of the mounting shaft are connected to the flange and the tool base respectively. The grinding wheel is mounted on the mounting shaft. The fixing ring is used for fixing the grinding wheel to the mounting shaft.

Abstract: A cutting insert includes two end surfaces each having a main surface usable as an attachment surface to a tool body, a peripheral side surface extending between the two end surfaces and a plurality of cutting edge portions each formed at an intersection between each end surface and the peripheral side surface. Each cutting edge portion includes a corner edge formed at a corner of a related end surface, a major cutting edge extending from one end of the corner edge and extending so as to depart from an intermediate plane defined to be perpendicular to the first axis and to include the second axis, and a minor cutting edge extending from the other end of the corner edge and extending in a direction to approach the intermediate plane.

Abstract: A cutting tool includes a cutting insert and a toolholder including at least one insert supporting surface. A first clamp is adapted to apply a clamping force in a first direction to clamp the insert to the insert supporting surface, and a second clamp is adapted to limit rotation of the insert about an axis extending substantially in the first direction. The toolholder includes a second insert supporting surface. The second clamp applies a clamping force to the insert in a second direction to clamp the insert to the second insert supporting surface, and the second insert supporting surface is disposed on an opposite side of the insert from the second clamp.

Abstract: An indexable insert has one or more recesses formed in a frontside or backside surface which receives a surface of the head of a locking screw. When mounted, the insert is forced against respective support surfaces of an insert pocket. The locking screw is threaded into a counterbored tap hole to engage the insert and provide side locating forces and clamping forces to secure the indexable insert in the insert pocket. More particularly, the indexable insert has a shaped surface recess that mates to a complimentarily-shaped surface on the head of a locking screw and secures the indexable insert in multiple dimensions to a seating surface. A material removal tool and a method of mounting the indexable insert are also disclosed.

Abstract: The monoblock surface milling cutter has a milling cutter body (10) to which cutting plates (16) made of polycrystalline diamond (PCD), monocrystalline diamond (MCD) or polycrystalline boron nitrite (PCB) are fastened in a material-to-material fashion. In order to improve the surface quality of the work pieces manufactured with the milling cutter, axially adjustable finishing inserts (18) are fixed in place in at least two substantially axially extending bores (26), which are open at the front, of the milling cutter body (10). The finishing inserts (18) can also be equipped with cutting plates made of PCD, MCD or PCB. Preferably the cutting edges (24) of the cutting plates (22) of the finishing insert (18) are forward curved.

Abstract: Insert pockets of tool holders configured to accommodate multiple differently-shaped cutting inserts are disclosed. Cutting tool holders and cutting tool systems are also disclosed.

Abstract: The invention relates to a machine tool with an adjustable cutting plate. The rotating machine tool substantially comprises a base member with a rotating axis, at least one pocket formed in the base member and at least one blade support holding a cutting plate. Two side surfaces of the blade support sit against a side support surface, respectively, said blade support side surfaces making an angle between them, and the base of the blade support sits against a base support surface of the pocket, the blade support being clamped in the pocket removably by way of a clamp element. The cutting plate protrudes over the blade support with an effective blade and over the base member outward.

Abstract: The present invention relates to embodiments of a cutting tool holder having at least one insert pocket, wherein at least one insert pocket comprises a side surface and at least one antirotation stop protruding from the side surface. The antirotation stop may comprise at least two substantially planar surfaces. In certain embodiments, the cutting tool holder may have a pocket which comprises a bottom surface and an antirotation stop having three substantially planar surfaces that are substantially perpendicular to the bottom surface. The antirotation stop may be integral to the tool holder or may be produced separately and attached, either permanently or temporarily, to the tool holder. Embodiments may further comprise additional antirotation stops if desired by the machining application.

Abstract: A cutting tool of the type that comprises two parts having co-operating connecting surfaces of serration type, which individually include a plurality of ridges or tops, which are mutually separated by grooves, the pitch between the ridges in the respective connecting surfaces being one and the same. According to the invention, the widths of two or more grooves positioned one after the other in a series in one of the connecting surfaces increase progressively from a first groove to a last groove in the series. Furthermore, the invention relates to a tool part as such, as well as a method in the manufacture of such tool parts.

Abstract: A milling cutter (10) comprises a cutter body (12) having at least two operational annular rings (13, 14). An outer ring (13) is provided for rough milling and includes a plurality of cutting inserts spaced about the periphery of the cutter body. Positioned radially inward of the outer ring (13) is at least one ring (14) comprises a coating of abrasive material. As a result, a workpiece can be both tough and finish milled by a single milling cutter (10) with the rough cutting inserts (18) and the abrasive material.

Abstract: The invention relates to a machine tool for use in tool machines, comprising a cutting element which is preferably configured as a cutting ring and at least two insert seats that are provided in the cutting element at distance to each other in the circumferential direction. The insert seats are fitted with at least one group of at least two identical insert tips that are detachably arranged therein and that have one working edge each, the effective working edges of the insert tips of one group being cut to the same nominal size. The insert tips are configured as indexable inserts, every single indexable insert of a group being associated with a defined insert seat in all possible positions of adjustment, and the indexable inserts of a group having at least two working edges each, one of these edges being always in the effective and at least one other edge being in the ineffective position, depending on the position of the indexable inserts in the associated insert seats.

Abstract: A cutting tool assembly adapted to be coupled to a cutter head for manufacture of a gear. The cutting tool assembly includes a cutting insert and a holder adapted to couple the cutting insert to the cutting head. The holder includes a pocket defined by a back surface and at least one lip member that provides a force directed against the cutting insert toward the back surface to thereby retain the cutting insert within the pocket during cutting operations.

Abstract: This application relates to a cutting insert and method for machining a workpiece. This application further relates to a method for the machining of a workpiece using such an indexable insert. In this case, the term “machining” means, among other things, the first-time machining and/or a re-profiling of a wheel or of a brake disc of a wheel set of a railway vehicle. An object of at least one possible embodiment of the present application is to create a cutting insert that is as economical as possible. An additional object of at least one possible embodiment of the present application is the most effective method possible and a lathe tool that is well-suited for the machining of a workpiece, such as for the copy turning and/or for the first-time machining and/or for the re-profiling of a wheel or of a brake disc of a wheel set of a railway vehicle, using a cutting insert described herein.

Abstract: Tube ends such as those of boiler tube banks, are prepared utilizing any of various combinations of processes which include a step of micro-diameter tube film removal from a portion of a tube end, including an area below a beveled segment, or segment to be beveled. The micro-diameter film removal step provides the tube with an exposed, clean metal surface which is conducive to a subsequent welding or bonding operation performed on the tube. Preferably, the process is performed with a tube milling tool having interchangeable milling or cutting heads. A specialized milling head is also disclosed and, in one embodiment, is at least used to perform the micro-diameter tube film removal step. Advantageously, the tube film removal milling head also removes a weld overlay on one or both sides of a tube in one embodiment. The tube film removal milling head includes an attached blade having a planar face configuration which enables tube film removal.

Abstract: An indexable insert has one or more recesses formed in a frontside or backside surface which receives a surface of the head of a locking screw. When mounted, the insert is forced against respective support surfaces of an insert pocket. The locking screw is threaded into a counterbored tap hole to engage the insert and provide side locating forces and clamping forces to secure the indexable insert in the insert pocket. More particularly, the indexable insert has a shaped surface recess that mates to a complimentarily-shaped surface on the head of a locking screw and secures the indexable insert in multiple dimensions to a seating surface. A material removal tool and a method of mounting the indexable insert are also disclosed.

Abstract: An end mill has a plurality of quick change insert holders for cutter inserts on machine tools. Each of the plurality of quick change tool holders comprises a housing having at least one seat portion which is adapted to receive a cutter insert. A clamping arm is movably mounted in the insert housing and has a clamp portion adapted to engage a cutter insert extending over the seat portion. A locking mechanism is contained within the housing. The locking mechanism has a clamp position which forces the clamp portion of the clamping arm to engage a cutter insert and a release position which forces the clamp portion to disengage from a cutter insert. The locking mechanism moves between the release position and the clamp position.

Abstract: A head section for a rotary cutting device includes a body portion that includes a blade passage defined between a blade entrance opening and a blade exit opening. A blade fastening mechanism is positioned in the blade passage and includes a blade engaging member. The blade engaging member is biased by a biasing mechanism to extend across the blade passage at a blade install position. The blade engaging member is movable against the bias to clear the blade passage. A blade having a mount aperture proximate an insertion end thereof is secured to the body portion when the mount aperture occupies the blade mount position and the blade engaging member extends through the mount aperture. The blade can be installed in and removed from the head section without tools, simply by advancing the blade through the blade passage.

Abstract: 1. The throwaway tip characterized that the shape is approximately square type plate late, and the corner angle of the another two corner tooth which adjoins each other of one face is made as 90° or less, and the other two corner edge which counters respectively is made as non parallel cutting tooth. 2. The throwaway type cutting tool characterized that two or more throwaway tip is the same as the throwaway tip of claim 1, and the throwaway tips are arranged so that the other two corner tooth projects respectively to a perimeter side of a tip of a main part of a tool, in a throwaway type cutting tool that the two or more throwaway tips are arranged so that the tip is projected respectively to a tip side of a main part of a tool.

Abstract: A cutting insert used for cutting metal, especially for milling camshafts. The insert comprises at least one cutting edge that is formed by the intersection of a face with a flank. The cutting edges extend at an angle deviating from 90 degrees relative to the cutting direction of the cutting insert in order to reduce the noise level during machining.

Abstract: A toolholder for use in a metalworking operation, with a body extending along a longitudinal axis and a recess extending within the first end of the body. Adjacent an insert pocket adapted to receive a cutting insert in the recess is at least one wall with a portion having a surface with multiple interruptions to form a chip ejection segment. The chip ejection segment may be an integral part of the toolholder body or may be a discrete piece removably attached to the toolholder body. A method of imparting to a toolholder such a chip ejection segment is also disclosed.

Abstract: The object of this invention is to provide a milling cutter which includes a cutting insert (120), which has a hexahedral shape and is provided with first and second cutting blade parts on opposite ends thereof, and a cutter body (110) provided with a plurality of insert seats (112) which the cutting insert (120) is seated in and fastened to in either of two directions. The cutting insert (120) is fastened to the associated insert seat (112) in a selected direction, thus all corner blades or main blades, provided on the first and second cutting blade parts of the cutting insert, can be used for machining workpieces. Therefore, the present invention extends the lifetime of the cutting insert (120).

Abstract: A tool is proposed for metal-cutting machining of bore surfaces with at least one cutter insert (1s, 1?s; 1u, 1?u, 1?u) which is let into the end face (41) of the tool (10) and at least one cutter insert (1s, 1?s; 1u, 1?u, 1?u) which is let into the circumferential face (43) of the tool (10), said cutter inserts (1s, 1?s; 1u, 1?u, 1?u) having at least two geometrically defined cutting edges. Said tool is characterized by the fact that one of the cutting edges of the cutter inserts is embodied as a roughing cutting edge (17, 17?) and the other cutting edge of the cutter inserts is embodied as a finishing cutting edge (19, 19?), and in that the cutting edges are arranged on the two ends of a side edge (15, 15?) of the cutter inserts.

Abstract: A four-sided cutting insert has a top surface, a bottom surface, and a pair of first side surfaces connected to a pair of second side surfaces via corner surfaces. The cutting insert has a rotational axis of symmetry, a first axis extending along the first side surfaces and second axis extending along the second side surfaces. Opposite corners of the cutting insert are provided with a first pair of corner edges defined between a first edge and an associated second edge. Proximate its leading end, the first edge has a main portion which, in a top view of the insert, extends inwardly toward the first axis at a first angle. In a side view, the first edge slopes downwardly from the corner edge in the direction of the base surface. The associated second edge, in the top view of the insert, extends from the corner edge in an outward direction relative to the second axis.

Abstract: An indexable milling insert has a trigon shape and includes a mounting hole placed centrally in the milling insert, an upper side and a lower side, which sides are parallel with each other and act as an alternating first support surface and second support surface. The milling insert is furthermore provided with major cutting edges, which are oriented perpendicularly to the axis of the mounting hole as well as arranged in such a way that a turning of the milling insert around the center of the mounting hole into an alternative cutting position alternatively a flipping of the milling insert into an alternative cutting position provides an identical position of the major cutting edges in relation to a workpiece.

Abstract: A tool for chip removing machining comprising a tool head, which is provided with insert seats for the receipt of replaceable cutting inserts as well as a fastening part intended to be received in a machine tool. The tool has at least two chip pockets, in each one of which two replaceable cutting inserts are arranged, the two cutting inserts arranged in each chip pocket being intended for different types of machining and having the active surfaces thereof opposite each other. Furthermore, the two cutting inserts arranged in a common chip pocket have their axially furthermost portions located at different levels in the axial direction of the tool. The two cutting inserts for turning are located in different chip pockets and have their axially furthermost portions thereof located at different levels in the axial direction.

Abstract: A tool for chip removing machining, including a basic body and a replaceable cutting insert that has a center axis and is detachably mounted in an insert seat formed in the basic body. The seat is delimited by a bottom surface and at least one side support surface. The cutting insert includes an out of round engagement surface that is pressed against an out of round shoulder surface to rotationally secure the cutting insert. The shoulder surface is included in a separate lock member that is partially inserted in a space formed in the basic body, the space opening towards the insert seat and located between the side support surface and the bottom surface of the insert seat such that the lock member rotationally secures a lower part of the cutting insert, while an upper part of the cutting insert is supported by the side support surface.

Abstract: A method of making a cutting insert includes: (i) forming a blank having a substrate and superhard material, the substrate having more than 4 pockets, the superhard material disposed within the pockets; (ii) removing cutting tips from the blank by cutting the blank along cutting lines; (iii) providing a cutting insert body having a plurality of cavities for receiving a corresponding number of cutting tips; (iv) inserting a cutting tip into each of the plurality of cavities; and (v) brazing the cutting tips to the cutting insert body. A related cutting insert includes: a cutting insert body having a plurality of cavities formed therein; a plurality of cutting tips, each of the plurality of cutting tips disposed in a respective cavity, the cutting tips having a geometry that provides a mechanical retention or lock when inserted into the cavities of the cutting insert body, the cutting tips further being brazed in the cutting insert body.

Abstract: A toolholder at least one cutting insert mounted within a pocket about the peripheral wall of the cutter body. The body includes a pocket having an angled retention ledge which provides acts, in conjunction with a fastener, to securely retain an insert mounted therein. The insert has an angled edge which conforms with and works in conjunction with the toolholder pocket.

Abstract: A cutting tool carrying device includes a carrying member having one or more compartments formed in an outer peripheral portion each for receiving a base member, and a follower slidably engaged into each of the base members for supporting a cutting member. An adjusting device may adjust the follower relative to the base member to partially extend the cutting member out of the outer peripheral portion of the carrying member for suitably machining the work pieces. A pressing device may be slidably attached to the base member for forcing the cutting member to the base member and for allowing the cutting member to be adjusted relative to the base member and the carrying member to the suitable positions.

Abstract: A cutting tool includes a tool body having a plurality of insert receiving pockets and at least one cutting insert mounted in each pocket. Each pocket includes a pocket base wall, a side wall and a stress relief groove. The tool body also includes a top surface including a first portion and a second portion, and a stress splitter that extends from the stress relief groove and intersects the first and second portions. The stress splitter may be in the form of a sharp peak or ridge, a radiused peak, rounded mass or protuberance, and the like. The stress splitter reduces a maximum amount of stress in an area of the stress relief groove during a machining operation.

Abstract: A milling cutter with a disk like cutter body having radially directed slots and a central aperture. An exchangeable hub comprises two adapter members located on either side of the cutter body. One of the adapter members has a raised portion located in the central aperture. The adapter members are secured to the cutter body by means of pins which are located in blind holes in the adapter members and which pass through engagement members positioned in the slots.