Abstract: Hole-saws are provided herein, and more specifically to hole-saw assemblies and processes having adjustable platters for multiple simultaneous saw components, optional elimination of a guide drill, and the ability to retrieve cores of a sawed work piece before sawing completely through the workpiece. One hole-saw device, may have a motive force; a base plate rotatable by the motive force; cutters; and locking mechanisms to mount the base plate to the cutters.

Abstract: A milling tool for producing chamfer surfaces at workpieces. It has a cylindrical shaft and a cutting part, which has at least two end cutting edges, which are each located on a cone jacket surface and which run in a spiraled convex manner in the direction of rotation, and which each extend from a radially outer cutting corner to an inner cutting corner on the end side. To broaden the area of application of the milling tool to processes, such as the “ramping” or the linear diagonal plunging, respectively, the circular milling, the spot-drilling, or the waterline milling, the end cutting edges merge at the inner cutting corner into center cutting edges, which are located on a cone jacket surface with a tip angle of above 180°, and which run with a positive chip angle into a region of the milling cutter center located in the milling cutter core.

Abstract: A cutting insert includes an insert peripheral surface that includes at least one planar major insert side abutment surface and an insert lower surface that includes an anti-slip recess recessed therein. The anti-slip recess includes at least one elongated and straight anti-slip groove. Each major insert side abutment surface is oriented parallel to a groove longitudinal axis of a respective anti-slip groove. An insert holder includes a holder pocket. The holder pocket includes a pocket peripheral surface which includes planar major pocket side abutment surface and a pocket base surface having an elongated and straight anti-slip rib. When the cutting insert is releasably attached to the insert holder, to constitute a fastened position of a cutting tool, the anti-slip rib is located in the anti-slip groove that is oriented parallel to the major insert side abutment surface that abuts the major pocket side abutment surface.

Abstract: A cutter head for a woodworking machine, having a cylindrical, conical, or profiled base body which comprises at least two tool holders for holding a cutting insert. The tool holders each comprise a groove which is open in the radial direction, in which a cutting insert is clamped between a first groove wall of the groove and a one- or two-piece clamping element. The cutter head of can include a support plate arranged between the cutting insert and the first groove wall. The clamping screws are arranged at right angles to the axis and are thus accessible for a cutter change. The screw holder on the clamping element is a ball socket, and the front end of the screw is a round head. The cutter head of has a spring element, which positions the cutting insert during the clamping process, and presses the same via the functional surface radially outward against a stop.

Abstract: A method for removing material with a bit includes rotating a bit in a first direction, changing the rotational direction and rotating the bit in an opposing second direction. Rotation of the bit in the first direction and rotation of the bit in the second direction both remove material.

Abstract: An insert attachment mechanism (100) detachably attaches a cutting insert (2) to an insert attachment part (21) of a tool body (3). The insert attachment mechanism includes an adjustment member (30) and a wedge member (10). The adjustment member (30) is arranged on an inner side of the cutting inset so as to act on the cutting insert in the insert attachment part. The adjustment member is advanceable and retractable in a direction of the central axis of a screw member (40) by rotating the screw member. The wedge member and the cutting insert are arranged on the outer side of the adjustment member in the insert attachment part and exert a pressing force against the cutting insert and an inner wall surface of the insert attachment part. The wedge member (10) is configured such that the screw member (40) is accessible from the outer side of the wedge member.

Abstract: A helical blade cutter including multiple linear blades attached to an outer circumferential surface of a round body having an outer surface formed into a cylindrical circumferential surface. The blades tilt to a given helix angle ? from a straight line on the outer circumferential surface parallel to a rotational central axis O. Blade attachment surfaces are formed on the outer circumferential surface of the round body at given intervals in the circumferential direction. The blade attachment surfaces tilt to an angle same as the helix angle ? of the blade while tilting to a rake angle ? in a direction of an elevation angle from a tangent to the outer circumferential surface. The blades are each attached to a blade attachment part through intervention of a chip holder that allows detachment of the blade.

Abstract: A method for drilling through an assembly forming a stack of at least two different materials uses a drill bit having at least a first cutting edge and a second cutting edge inclined in an axial plane of the drill bit so that the end of the drill bit has a projecting conical shape. The first cutting edge is configured to drill a first material. The second cutting edge is made differently from the first cutting edge, to drill a second material. A first rotational drive axis of the drill bit is laterally offset during the drilling by an offset distance D relative to the axis of the drill bit in a direction opposite the first cutting edge when the drill bit is drilling through the first material, and alternately, in a direction opposite the second cutting edge when the drill bit is drilling through the second material.

Abstract: In an interface arrangement between a first component group supporting a tool holder and a second component group supporting a machining element in a central opening for releasably accommodating the first component group, a shift lever element provided with engagement members is disposed rotatably on the second component group and provided with engagement and release elements for releasably retaining the first component group in the central opening of the second component group so as to permit a rapid exchange of the first component group by another group with a new tool.

Abstract: A rotary slitter includes a disc-shaped rotary slitter body having a rotation axis, opposing first and second surfaces, a circumferential surface connecting the first and second side surfaces, and a cutting portion. The cutting portion includes an insert seating construction, a groove formed in the first surface and surrounding the insert seating construction, in a view of the first surface along the rotation axis, and a positioning hole. The rotary slitter further includes a positioning screw mounted to the positioning hole and configured to adjust a position of a cutting edge of a cutting insert mounted to the insert seating construction.

Abstract: An indexable cutting insert (1) for a side milling cutter (11) includes two insert surfaces facing away from each other. Both insert surfaces include a relief-like profile (6).

Abstract: The present invention is directed to a cutting tool, comprising: at least one cutting insert; a tool body including a pocket portion to which the cutting insert is mounted; a means for fixing the cutting insert to the pocket portion of the tool body; and a screw for finely adjusting the position of the cutting insert fixed to the pocket portion of the tool body. The screw has a head portion, a threaded portion and a portion for connecting the head portion to the threaded portion. The pocket portion has a bottom surface with a screw hole formed thereon into which the threaded portion is fastened. It also has a side wall comprising a surface for closely contacting the head portion of the screw. The head portion of the screw closely contacts and resiliently pressurizes the close contact surface of the pocket portion when the threaded portion is fastened into the screw hole.

Abstract: Milling cutter and method of operating same, and other machine tools, and an adjustment mechanism therefor. A cutting insert is adjusted by moving a resilient web with an adjusting screw.

Abstract: A cutting tool includes first and second components, configured for differential coupling with each other. The first and second components each include peripheral and central coupling threads which each extend in a helical direction about a component axis of the respective component. Each component's peripheral and central coupling threads are axially offset with respect to each other. The first and second components each include a radial stop surface located at the respective peripheral coupling thread. In an assembled position of the cutting tool, the radial stop surfaces abut each other and the peripheral and central coupling threads of the first component threadingly engage the peripheral and central coupling threads of the second component, respectively, forming a differential tool coupling between the first and second components.

Abstract: An insert attached to a tool body of a hole machining tool having an attachment seat and a pressing member for pressing the insert to adjust the position of a peripheral cutting edge in a diameter direction of the tool. The insert has a panel shape. One surface of the insert in a thickness direction provides a seating surface, the other surface in the thickness direction provides a peripheral flank surface. A surface facing the rear side of the insert in a tool rotation direction provides a pressed surface in a state that the insert is attached to the attachment seat. A side surface facing the front side in the tool rotation direction provides an inclined surface, and a peripheral cutting edge is formed at a ridge portion outside of the inclined surface in the diameter direction of the tool.

Abstract: The invention relates to a method for precision machining of crankshafts or camshafts to final dimensional tolerances Rz<10 ?m, preferably ?5 ?m and concentricity tolerances ?30 ?m, preferably ?6 ?m, which have been machined and at least partially subjected to hardening, wherein after the first machining has been carried out and subsequent hardening to 45 to 60 HRC, preferably 50 to 53 HRC, a final machining is carried out by means of at least one milling tool, wherein it is provided that the final machining is carried out by means of cutting inserts made of coated hard metal. The invention further relates to a milling tool for precision machining of crankshafts or camshafts.

Abstract: A reamer includes a base body having at least one insert seat countersunk therein and having at least first and second lateral surfaces. A cutting insert has at least one minor cutting edge inserted in this seat. In addition, a clamping device includes a clamping jaw and an adjustment device for the cutting insert. A first lateral surface is inclined relative to an imaginary vertical line such that the cutting insert is alignable by contacting the lateral surface such that the insert's minor cutting edge has a defined taper, that an opening is provided at the base of the insert seat, through which opening the adjustment part protrudes into the insert seat, and that the cutting insert on its side facing the adjustment part adjoins this part.

Abstract: A rotary cutting tool has a cutting insert clamped from behind by a backing clamp against a frontal abutment defined in the body of the rotary cutter head. The clamp backs the cutting insert against the cutting pressure during operation and provides for the use of a same rotary cutter with different profiles of cutting inserts. Plugs of predetermined weight can be inserted in pre-formed holes in the cutting insert to permit recalibration of the insert after a sharpening operation.

Abstract: Milling cutter and method of operating same, and other machine tools, and an adjustment mechanism therefor. The abstract of the disclosure is submitted herewith as required by 37 C.F.R. §1.72(b). As stated in 37 C.F.R. §1.72(b): A brief abstract of the technical disclosure in the specification must commence on a separate sheet, preferably following the claims, under the heading “Abstract of the Disclosure.” The purpose of the abstract is to enable the Patent and Trademark Office and the public generally to determine quickly from a cursory inspection the nature and gist of the technical disclosure. The abstract shall not be used for interpreting the scope of the claims. Therefore, any statements made relating to the abstract are not intended to limit the claims in any manner and should not be interpreted as limiting the claims in any manner.

Abstract: A recess and an attachment seat are formed in a front end of a tool body. A panel-shaped insert attached to the attachment seat where the thickness direction is matched with the diameter direction of the tool body and a surface of the insert facing the rear in a tool rotation direction becomes a pressed surface. A peripheral cutting edge is formed at a ridge of an inclined surface on the outside in the diameter direction of the tool body, a bevel edge is formed at a ridge on the front side of the tool body, and a back taper is attached to the peripheral cutting edge. A pressing member for pressing the pressed surface of the insert to adjust a position of the peripheral cutting edge in the diameter direction of the tool body is disposed on the rear side of the attachment seat in the tool rotation direction.

Abstract: Milling cutter and method of operating same, and other machine tools, and an adjustment mechanism therefor. The abstract of the disclosure is submitted herewith as required by 37 C.F.R. §1.72(b). As stated in 37 C.F.R. §1.72(b): A brief abstract of the technical disclosure in the specification must commence on a separate sheet, preferably following the claims, under the heading “Abstract of the Disclosure.” The purpose of the abstract is to enable the Patent and Trademark Office and the public generally to determine quickly from a cursory inspection the nature and gist of the technical disclosure. The abstract shall not be used for interpreting the scope of the claims. Therefore, any statements made relating to the abstract are not intended to limit the claims in any manner and should not be interpreted as limiting the claims in any manner.

Abstract: A cutting tool having a cutting portion located proximate to one end. The cutting tool including a recessed chip flute formed along the shank of the tool away from the cutting edge. The tool includes a chamfering cartridge which is clamped to the tool shank along the chip flute. The chamfering cartridge performs a chamfering or deburring operation while allowing chips from the cutting portion to pass through the flute and away from the tool and workpiece.

Abstract: A material removal having a plurality of cartridges mounted on an active portion where a plurality of seating members mounted in each of the plurality of cartridges pivots about an axis between a retracted position and an extended position is disclosed. Alternative embodiments have a single pivotable seating member. The pivotable extending seating members operate to extend and retract in a scissors-like motion and enable compact and efficient machining operation, particularly for crank shaft bearing supports.

Abstract: A drilling and reaming tool, having a tool body and radially opposite adjustable cutting edges, comprises a first supporting element for a cutting edge to be adjusted by a presetting method, a second supporting element for a cutting plate, being coupled to a movable slide, in turn coupled to a column element projecting inside the tool body, the column element being traversed by a threaded pin, having an enlarged portion enclosed by precision bearing, a stem having an end portion extending toward the circumference of the tool body being coupled to a disc including a graduated scale cooperating with a vernier element arranged on the tool body, the disc including a polygonal opening for engaging therein an adjusting tool.

Abstract: A metal cutting tool is provided with at least one cutting insert mounted in an insert pocket in communication with an adjusting mechanism, the cutting insert comprising at least one insert adjusting slot extending between two opposing major faces thereof and opening out to each major face at an adjusting aperture and the adjusting mechanism comprising at least one adjusting member having an adjusting member top face underlying the cutting insert while being visible and accessible therethrough.

Abstract: A machine tool has a rotatable tool holder formed with an outwardly open seat having an outwardly directed floor and a cartridge engaged in the seat, carrying a cutting insert, and formed with an inwardly open groove defining a groove axis and having a surface confronting and extending at a small acute angle to the seat floor. An adjustment wedge axially shiftable in the groove has a formation extending transversely of the axis and bears radially outward on the groove surface and radially inward on the seat floor so that axial shifting of the adjustment wedge radially shifts the cartridge in the groove. An eccentric pin set in the cartridge engages the formation of the adjustment wedge for axially shifting the adjustment wedge in the groove and thereby radially displacing the cartridge in the seat on rotation of the pin.

Abstract: A rotationally driven cutting tool for machining of workpieces, in which at least one cutting insert is fastened detachably in a pocket of a blade bearer so that it is clamped flatly against a base surface of the pocket. For adjustment of the blade there is a cutting insert and a fine adjustment device with which, with the aid of an adjusting screw arrangement, an adjusting element supported on a lateral wall of the cutting insert can be adjusted relative to the cutting insert. The adjusting screw arrangement comprises a threaded sleeve that is held, preferably with play, in a smooth through opening having a narrow point and comprises a screw part in functional engagement therewith that stands in a chain of pressure force with the adjusting element.

Abstract: A plane-blade adjusting device for a planing machine includes a blade shaft, a plurality of plane blades, plural covers and plural eccentric tubular posts. The blade shaft body is provided with plural set flat surfaces for each plane blade to rest on and then each cover secured on the plane blade and screwed tightly. The eccentric tubular post has an eccentric rotary portion formed in an upper portion, fitting in the rectangular hole of each plane knife and secured tightly on the shaft body for sandwiching a plane blade on the shaft body. So the eccentric tubular post is rotated to shift each plane blade up and down in a micro-distance with easiness, quickness and accuracy.

Abstract: A milling tool includes insert seats in which respective cutting inserts are disposed. Positioned in each seat is a wedge plate which is adjustable relative to the tool body in a direction of wedge adjustment. A cutting insert is supported on the wedge plate and secured directly to the tool body. The wedge plate is wedge shaped such that when the wedge plate is adjusted relative to both the tool body and the cutting insert, the cutting insert is displaced in a direction perpendicular to the direction of wedge adjustment.

Abstract: A circulating tool for cutting of workpieces including a carrier element that bears at least one cutter blade insert in an exactly positioned manner. A device is provided for adjusting the position of the insert relative to the carrier element and a clamping device is provided using a clamping claw, with which the insert can be fixed in the adjusted position relative to the carrier element in that the clamping claw presses the insert flat against a support surface. In order to be able to use indexable inserts of any form without providing weakening openings and to obtain the greatest possible measure of free space for configuring the tool and shaving removal with a space-saving configuration of the adjusting and clamping apparatus, the insert is accommodated in a pocket of the clamping claw and the support surface is directly constructed on the carrier element.

Abstract: A lifter bore groover tool having a housing in an essentially rectilinear configuration which has an upper wall and a lower wall and a plurality of side walls. The side walls include a cutting wall and another wall and facing walls there between. A bore is formed in the housing adjacent to the cutting wall. A long cylindrical chamber beneath the bore is in communication with a guide slot extending through the cutting wall. A cylindrical cutting block is axially reciprocable within the long cylindrical chamber. A cutting tool is removably supported in the cutting block extending laterally through the guide slot for contacting the surface of the bore to be grooved. The cutting block and cutting tool are axially adjustable. A bolt is received within the bore. The bolt has an upper end with a head for rotation by the user.

Abstract: A lifter bore groover tool is disclosed. A housing in an essentially rectilinear configuration has an upper wall and a lower wall and a plurality of side walls. The side walls include a cutting wall and another wall and facing walls there between. A bore is formed in the housing adjacent to the cutting wall. A long cylindrical chamber beneath the bore is in communication with a guide slot extending through the cutting wall. A cylindrical cutting block is axially reciprocable within the long cylindrical chamber. A cutting tool is removably supported in the cutting block extending laterally through the guide slot for contacting the surface of the bore to be grooved. The cutting block and cutting tool are axially adjustable. A bolt is received within the bore. The bolt has an upper end with a head for rotation by the user.

Abstract: A cutting tool having a shank held in a chuck. Mounted in the shank is an insert holder and a carbide insert held therein. The insert holder extends radially beyond the shank, with the insert on its extended end. The insert can be adjusted as to radial extension, by swingable adjustment, and held in adjusted position by tightening the holder. A gear is provided for swinging the holder, and a visual dial is provided to show the position of adjustment.

Abstract: The invention concerns an attachment (1) comprising a radial sliding track (103) for each slide (2), recessed in the attachment body. Two semicircular plates (4, 5) maintain the slides in the sliding track (103) and guide them. The slides are locked by screws (18, 19) operating by deforming the corresponding semicircular plate (4, 5). The displacement of a slide is obtained by a micrometric screw (12) operating on a nut integral with the slide.

Abstract: The invention relates to a friction and sinking cutting tool comprising a base member (2) to which a cutting blade (20) is exchangeably clampingly fixed by means of a clamping screw and which is adjustable in terms of its radial position by an adjusting member (40) through the intermediary of an adjusting means (30). The adjusting means (30) is a cutting blade carrier extending into a recess in the base member, and the adjusting member (40) is a differential screw which is in threaded engagement with the adjusting means. Alternatively, the adjusting means (30) can be a cutting blade carrier extending into a recess of the base member and the adjusting member (40) can be a ball member or clamping member which has automatic shape fitting engagement with a complementary recess in the adjusting means such that a movement of the adjustment member causes a movement of the cutting blade (20) in the same direction.

Abstract: In a mounting arrangement for supporting, in a stepwise adjustable fashion, a cutting blade in a cutting head for working wood or plastic, the cutting blade has at least one cutting edge and opposite side edges with wave-like profile structures and claw elements are mounted on the cutting head and have engagement portions extending into the troughs of the wave-like profile structures for form-fitting engagement therewith. Each wave-like profile structure has a greater length in the direction of the side edges of the cutting blade than the respective engagement portions of the claw elements so that the position of the cutting blade is adjustable.

Abstract: A woodworking shaper head having a plurality of cutting blades mounted about the periphery thereof. Each cutting blade is mounted in a longitudinally extending channel in the surface of the head, and a gib of wedge shape is disposed in the channel to securely retain the blade. The forwardly facing side wall of the channel and the adjacent surface of the blade include intermeshing corrugations which resist withdrawal of the blade during operative rotation of the head.

Abstract: A milling tool includes a rotatable supporting body having detachable cassettes upon which cutting inserts are mounted. The cutting inserts are provided with cutting edges. Two serrated surfaces are provided in order to connect the individual cassette with the supporting body. A first of the two serrated surfaces is located upon the periphery of the supporting body and faces outwards from the supporting body, while the other serrated surface is formed at an inner side of the cassette.

Abstract: An adjustment mechanism for adjusting an insert pocket wall's abutment surface in order to alter the location of an insert mounted in the pocket. The adjustment mechanism includes an adjustment screw and adjustment ball located in an adjustment bore. The adjustment ball is located in the vicinity of the pocket wall and on tightening the adjustment screw the adjustment ball is forced against the pocket wall. The force applied by the adjustment ball deforms the pocket wall in the region of contact between the adjustment ball and the pocket wall resulting in the required adjustment of the abutment surface.

Abstract: A rotary metal-cutting tool includes a tool body and a cartridge carrying a cutting insert that is adjustable in relation to the tool body. The adjustment is accomplished by providing a serration on one side surface of the cartridge and a correspondingly curved recess in the tool body adjacent the serration for the receipt of a key element. The key element has teeth engageable with the serration such that rotation of the key produces adjustment of the cartridge and insert.

Abstract: A rotatable machine tool such as a precision boring tool has a head (2) that is detachably mounted on a shank type driving element (3). The head carries a removable cutting tip (9) and includes a bearing point (8) that wedgingly seats within a transverse slideway (7) in driving element (3). A slide (11), which is mounted in through bore (20) in head (2), has a male member (10) attached thereto which passes through a slot (24) extending between the bore (20) and an end face (19) of the head (2). Male member (10) is received within a bore (12) in driving element (3). A clamping screw (13) in drive element (3) interacts with male member (10) to cam it inwardly thereby clamping head (2) in position on drive element (3). The head (2) is transversely adjustable within slideway (7) by loosening screw (13) and adjusting opposed screws (32, 33) in head (2) which act on male member (10).

Abstract: An adjustable reamer includes a securing portion, a shank, a guide members, at least one cutting insert, an adjustment device for adjusting the insert, and a clamp for clamping the insert. The clamp is releasable from the shank. A first place of contact is created between the clamp and the shank, and a second place of contact is created between the clamp and the cutting insert. An angle between the first and second places of contact in relation to the rotational axis of the reamer is at least 100.degree., preferably larger than 135.degree..

Abstract: A cutting tool assembly including a cutter body having a cutting unit receiving pocket for releasably receiving a cutting unit with an operative cutting edge and an abutment surface remote therefrom. An elongated bore adapted for receiving an adjustment device is formed in the cutter body, the bore opening into the receiving pocket adjacent the abutment surface. The adjustment device includes an elongated tubular adjustment member having a longitudinally directed adjustment surface inclined with respect to its longitudinal axis, and an elongated adjustment screw initially slidingly extending through the adjustment member. The adjustment member is secured on the adjustment screw such that upon screwing the adjustment screw in a given direction, the adjustment member pushes the cutting unit outward.

Abstract: An adjustable cartridge to be mounted in the end of a boring bar, the cartridge including an anvil rotatably affixed to said boring bar, said anvil including a pocket into which a indexable insert is affixed. The anvil is secured in an axially oriented slot which includes an arcuate seating face which includes a key and key way slot. Rotation of the anvil within the slot effects radial adjustment of the insert a key pin serves to pivotally secure the cartridge within the pocket. In addition, the level or back taper of the insert can be adjusted.

Abstract: A blade mounting for a chipper blade of a wood-chipping machine, the chipper blade having a back and a fore-part, the blade mounting including: a disk coverplate having an inner slope which bears against the back of the chipper blade; a blade holder having at least two grooves which are oriented perpendicular to a longitudinal axis of the blade holder and parallel to a plane of the chipper blade, the blade holder bearing against the fore-part of the chipper blade; adjusting screws located in the grooves in the blade holder; and dogs for underpinning a bottom edge of the chipper blade at at least two locations, the dogs being adjusted by the adjusting screws.

Abstract: A machining tool for adjustably securing a replaceable cutting member thereto. A tool head is provided with a flat ledge portion at one end, a positioning screw assembly for adjusting the position of a cutting member on the flat ledge portion, and a securement screw assembly for securing the cutting member to the tool head.

Abstract: There is disclosed an insert cutter which includes a tool body having a plurality of mounting recesses formed in an outer peripheral surface thereof and a plurality of cutter inserts each releasably secured to a respective one of the mounting recesses and a plurality of pressing members each received in a respective one of the holes. Each of the mounting recesses defines an abutment face facing axially forwardly of the tool body. The tool body has a plurality of holes formed in the outer peripheral surface thereof and extending radially inwardly thereof. Each of the holes has an inner wall and is displaced rearwardly of the tool body from a respective one of the mounting recesses. Each of the cutter inserts has a face held in contact with the abutment face of a respective one of the mounting recesses. Each pressing member is pressed against the inner wall of the hole, whereby that portion of the tool body between the hole and the mounting recess is elastically deformed.

Abstract: A cutterhead for an industrial woodworking machine which is operable to incorporate a sufficient number of knife rows to permit a staggered tooth arrangement for noise reduction or, alternatively, to provide improved surface finish at higher feed rates without increasing cutterhead RPM. The cutterhead also provides for the generation of a variety of shapes when used with appropriately shaped individual cutting inserts. The cutterhead includes a cutterhead body having a cylindrical portion having a plurality of circumferentially spaced grooves for receiving a plurality of cutting inserts, a predetermined hole pattern in the cutterhead body for securing the cutting inserts in the grooves, and in the preferred embodiment elongated slots in the cutting inserts which permit lateral adjustment of the cutting inserts along the axis of the cutterhead. Profile shape adjustments are made through the use of a cam device.

Abstract: An adjustable cartridge to be mounted in a boring bar, the cartridge including a anvil rotatably affixed to said boring bar, the anvil including a pocket into which a lay-down indexable insert is affixed. The anvil is secured in an axially oriented slot which includes an arcuate seating face. Rotation of the anvil within the slot effects radial adjustment of the insert.

Abstract: A reamer comprises a single, adjustable, elongate carbide blade clamped in position in an axial slot in the reamer periphery by means of a clamping plate, with the slot having a positive rake blade supporting fade so that the blade is adjustable along a line parallel to a tangent to the reamer periphery.