Abstract: The invention relates to a cutting tool with a holder, a cutting insert and a screw, wherein the holder has at least one seat with a base, a first side wall and a second side wall, wherein in a plane parallel to the base the first side wall extends in a first direction and the second side wall includes an acute angle (C) with the first side wall, wherein the base has a threaded hole for receiving the screw, wherein the cutting insert has a cut-out for the screw, wherein the cutting insert has a base contact surface, a first positioning surface and a second positioning surface, and wherein in a locked position the base contact surface, the first positioning surface and the second positioning surface of the cutting insert contact the base, the first side wall and the second side wall of the at least one seat, respectively, wherein the second side wall is offset from the threaded hole in the first direction towards a front end of the seat, and in that a screw head of the screw and the cut-out of the cutting inse

Abstract: The invention relates to a cutting tool with a holder, a cutting insert and a screw, wherein the holder has at least one seat with a base, a first side wall and a second side wall, wherein in a plane parallel to the base the first side wall extends in a first direction and the second side wall includes an acute angle (C) with the first side wall, wherein the base has a threaded hole for receiving the screw, wherein the cutting insert has a cut-out for the screw, wherein the cutting insert has a base contact surface, a first positioning surface and a second positioning surface, and wherein in a locked position the base contact surface, the first positioning surface and the second positioning surface of the cutting insert contact the base, the first side wall and the second side wall of the at least one seat, respectively, wherein the second side wall is offset from the threaded hole in the first direction towards a front end of the seat, and in that a screw head of the screw and the cut-out of the cutting inse

Abstract: A cutting tool for grooving and parting operations, comprising a tool holder provided at one of its side faces with a pocket in the shape of a polygon confined by a base support surface and at least a first and second side support surfaces projecting from the base support surface. A cutting insert is releasably securable in said pocket, said cutting insert being formed with a blade part and a base part with lateral surfaces protruding from the blade part. The base part is received in said pocket, such that a first and a second lateral surface of the base part contact the first side support surface and the second side support surface of the pocket, respectively. The first lateral surface is provided with a recess to the inside of the cutting insert, and the first side support surface is provided with a complementary projection to the inside of the cutting insert.

Abstract: The invention relates to a cutting insert (1) having a first coupling structure and a tool holder (2, 3) having a complementary second coupling structure with a seat (20, 30) for a milling tool system and a milling tool system comprising a cutting insert (1) and a holder (2, 3), wherein the first coupling structure comprises a circular cylindrical element (15) with a cylinder abutment surface, the circular cylindrical element (15) projecting axially from a bottom surface (13) of a central body (12) and being arranged concentrically with respect to the central axis (A), a perpendicular abutment surface (160) arranged perpendicular to the central axis (A), and at least two ribs (17) projecting axially from the bottom surface (13) each having a contact area with a normal direction at least essentially perpendicular to the central axis (A) for opposing a torque about the central axis (A).

Abstract: A cutting tool comprising a tool holder (2) with a pocket (22) and a cutting insert (3) in the shape of a polygon having at least three side surfaces (33, 34, 35). The pocket (22) is provided with a base support surface (24) and at least two lateral support surfaces (25, 26). The cutting insert (3) is releaseably securable in the pocket (22) with two side surfaces of the insert (34, 35) abutting the two lateral support surfaces (25, 26) of the pocket (22). At least one of the side surfaces (33, 34, 35) and at least one of the lateral support surfaces (25, 26) are provided with a notch (37) and a complimentary rib element (28) extending in an axial direction of the insert and interacting for providing an end stop of the cutting insert (3) in the pocket (22).

Abstract: A thread-milling cutter including a tool holder (2) and at least one cutting insert (3) with a longitudinal cutting edge (30) mounted on it. The tool holder (2) includes at least one pocket (20) extending essentially in an axial direction (A) and adapted for receiving the at least one insert (3). The cutting insert (3) has at least one positioning plane (31) on a first abutment surface of the insert (3) opposite the cutting edge (30) for a radial positioning of the insert (3) in the respective pocket (20). At least one protrusion (32) is provided on the abutment surface, a side surface (320) of the protrusion (32) being oriented at an angle (?) to the axial direction (A) of the cutter (1) and adapted for contacting a surface (22) of the pocket (20) for an axial positioning of the insert (3). Also described is an insert for a thread-milling cutter.

Abstract: The invention relates to a thread cutting insert (1) comprising a upper face (20) and a lower face (21), at least three lateral walls (31, 32, 33, 34) extending between the upper face (20) and the lower face (21), and at least two cutting edges (41, 42, 43, 44) formed in a transition region between two of the lateral walls (31, 32, 33, 34) and the upper face (20), wherein at least one of the cutting edges (41, 42, 43, 44) is sandwiched between a first supporting surface (71a, 72a, 73a, 74a) and a second supporting surface (71 b, 72b, 73b, 74b) provided on the respective lateral wall (31, 32, 33, 34). Further, the invention relates to a tool holder for receiving a thread cutting insert (1).

Abstract: The invention relates to a cutting insert (3), a tool holder (2), and tool (1) for forming heavy duty threads, wherein the tool holder (2) has a support surface (20) and the cutting insert (3) is releaseably securable to the support surface (20) of the tool holder (2), such that a longitudinal direction (I) of the cutting insert (3) in use extends in parallel to radial direction of a workpiece, the cutting insert (2) is provided with at least one cutting edge (30) and a bottom surface (31) for contacting the support surface of the tool holder, the bottom surface (31) being stepped to provide a first planar contact portion (31a) and a second planar contact portion (31b) adjacent thereto, and a first abutment wall (33) extending at least partially in the longitudinal direction (I) being formed between the first planar contact portion (31a) and the second planar contact portion (31b).

Abstract: A cutting tool for grooving and parting operations, comprising a tool holder provided at one of its side faces with a pocket in the shape of a polygon confined by a base support surface and at least a first and second side support surfaces projecting from the base support surface. A cutting insert is releasably securable in said pocket, said cutting insert being formed with a blade part and a base part with lateral surfaces protruding from the blade part. The base part is received in said pocket, such that a first and a second lateral surface of the base part contact the first side support surface and the second side support surface of the pocket, respectively. The first lateral surface is provided with a recess to the inside of the cutting insert, and the first side support surface is provided with a complementary projection to the inside of the cutting insert.

Abstract: The invention relates to an indexable insert having a first and a second insert surfaces (10a, 10b), three side faces (11, 12, 13) and a cutting projection (2), wherein the cutting projection (2) comprises at least one first and one second cutting tooth (21, 22), cutting edges (31, 32) are formed on the cutting teeth (21, 22) at a transition region to the first second insert surface (10a, 10b) respectively, a first chip flow direction (A1) assigned to the first cutting edge (31) forms an angle with a second chip flow direction assigned to the second cutting edge (32), a first and a second chip breaker surface (41, 42) are assigned in the chip flow direction to the first and the second cutting edges (31, 32), respectively, the chip breaker surfaces (41, 42) comprise at least one first and one second groove, respectively, on the first and the second insert surfaces (10a, 10b) which extend essentially perpendicularly to the respective chip flow direction (A1).

Abstract: A deburrer comprises a deburrer blade (19) accommodated in a tool-holder (16) which is, in turn, accommodated in a handle (12). The tool-holder (16) has a connection profile of the type of a screwdriver bit and can be plugged into the handle (12) or handle shaft (13). The deburrer blade (19) can be rotated in the bit and optionally exchanged and may have a crank-like design, for example. It is also possible to use deburrer blades made of a ceramic material and held in the bit.

Abstract: The thread cutter has a tool holder with a fixing shank and a cutter shank. In the same are inserted cutting inserts with cutting edges having a thread cutting profiling. They are retained by clamping screws inserted in tapped holes. The clamping screws act at right angles on the mutually parallel sides of the cutting inserts. The in each case three tapped holes in the cutter shank are so displaced relative to one another that in each case there is only one tapped hole in a radial plane of the cutter shank.

Abstract: A tool for the machine working of workpieces is more particularly provided for universal machines, which automatically work very small workpieces by different lathe working operations. A cutting insert (13) can be fixed in a tool holder (14) by means of a fixing screw (19). The cutting insert (13) is constructed as a reversing plate and has two conical receptacles for the conical gripping head (25) of the fixing screw (19). This reversing plate has several use possibilities, such as grooving, plunge and turn, threading, front turn, back turn and cut off. The central opening (30) in the cutting insert is connected by means of a slot (36) to the narrower trapezoidal surface (35) of the cutting insert, the slot (36) being sufficiently wide to fit over the shank of the fixing screw (19). Thus, after loosening the fixing screw, the cutting insert can be removed laterally and correspondingly fitted again. The screw (19) is captive and can also be operated from the back (48) of the tool holder (14).

Abstract: A tool for the machine working of workpieces is more particularly provided for universal machines, which automatically work very small workpieces by different lathe working operations. A cutting insert (13) can be fixed in a tool holder (14) by means of a fixing screw (19). The cutting insert (13) is constructed as a reversing plate and has two conical receptacles for the conical gripping head (25) of the fixing screw (19). This reversing plate has several use possibilities, such as grooving, plunge and turn, threading, front turn, back turn and cut off. The central opening (30) in the cutting insert is connected by means of a slot (36) to the narrower trapezoidal surface (35) of the cutting insert, the slot (36) being sufficiently wide to fit over the shank of the fixing screw (19). Thus, after loosening the fixing screw, the cutting insert can be removed laterally and correspondingly fitted again. The screw (19) is captive and can also be operated from the back (48) of the tool holder (14).

Abstract: The invention relates to a milling tool. The milling tool has bearing and orientation surfaces for a substantially tangential reception of milling inserts. The receptacles of the milling tool can be arranged in adjacent manner axially symmetrically to the rotational milling axis of the milling tool. The milling insert can be eccentrically braced in the milling tool receptacle.

Abstract: A deburring device is provided in the advance direction with a support roll preceding the deburring tool and which together with the latter acts in such a way with respect to the workpiece edge to be deburred during the advance movement in track-guiding manner so that it is possible to have lateral tilting and displacement movements of both working members with respect to the workpiece edge, which greatly facilitates working with the tool.

Abstract: A scraper tool particularly useful for hand deburring holes as well as concave and straight surfaces includes a scraper blade being integrally formed with a front part, an intermediate part, and a back part joined to a shank at the back end of the scraper blade, which shank is fixed to the handle. The front, intermediate and back parts are all of triangular section and define three exposed, continuous sharp edges extending axially of the scraper blade. These sharp edges converge toward each other at the front part and coming to a point at the front tip of the scraper blade, are parallel to each other at the intermediate part, and converge toward each other at the back part to the juncture with the shank.

Abstract: A scraper tool particularly useful for hand deburring internal rounded corners, holes an concave surfaces includes a scraper blade integrally formed with a front part having a scraping edge, and a back part joined to a shank at the back end fixed to the handle. The front face of the front part is of circular configuration and is cut at an oblique angle to the plane passing perpendicularly to the scraper blade to define a continuous oblong scraping edge.

Abstract: A scraper tool particularly useful for hand deburring various surfaces at different cutting angles, includes a scraper blade of rectangular section defining four continuous sharp edges extending axially of the scraper blade. The thickness of the rectangular section is preferably larger along one transverse dimension than along the other transverse dimension of the section, with the larger dimension decreasing from one end of the scraper blade to the opposite end. The front face of the front end of the scraper blade is of rectangular configuration and forms an oblique angle to the plane passing perpendicularly through the scraper blade, thereby forming four additional sharp edges extending peripherally around the scraper blade.