A blade portion for a grooving tool includes opposite first and second surfaces, a blade width thereof being defined as a shortest distance between the first and second surfaces, opposite third and fourth surfaces, and a fifth surface and an opposite blade portion end. The blade width is constant or substantially constant from the fifth surface up to the blade portion end. An insert seat separating the third surface and the fifth surface is arranged to receive an insert having a main cutting edge, an associated rake face, and an associated main clearance surface. The main cutting edge defines an insert width being greater than the blade width. A shortest distance from the fifth surface to the opposite blade portion end is greater than a shortest distance from the third surface to the fourth surface.

A tool holder including a tool shank and a tool head connected to the tool shank. The tool head comprising an insert seat or a blade pocket. Adjacent to at least a portion of a shank side surface there is a reinforcement portion connecting the shank side surface and the tool head.

An indexable parting blade has opposite blade first and second sides, a blade peripheral edge, a central index axis, and at least first, second and third insert pockets located along the blade peripheral edge. The parting blade also has first, second and third coolant channels, each forming a coolant path from a corresponding inlet to a corresponding one of the insert pockets. Each coolant channel includes a rake outlet opening out to a rake side of its corresponding insert pocket and a relief outlet opening out to a relief side of that same insert pocket. The inlet corresponding to a given coolant channel is located further from that coolant channel's insert pocket than at least one of (a) the inlet corresponding to a different coolant channel, and (b) the central index axis.

A tool adaptor has a front retaining portion and a rear mounting portion, the front retaining portion having a base jaw, a clamping jaw, and an insert receiving pocket located therebetween, and the rear mounting portion having a rear mounting surface and a first fastening bore. A primary slot separates the base jaw from the clamping jaw and communicates with the insert receiving pocket, and a secondary slot transverse to the primary slot separates the clamping jaw from the rear mounting portion. The first fastening bore has a first bore axis which intersects the rear mounting surface and the secondary slot. A cutting tool assembly includes a tool shank, and the tool adaptor secured to a front mounting portion of the tool shank by means of a first fastening screw occupying the first fastening bore and a first shank bore of the front mounting portion.

A cutting insert may include an upper surface, a lower surface, a front lateral surface and a rear lateral surface. The upper surface may include a first upper cutting edge and an upper constraining surface. The lower surface may include a lower constraining surface. The lower constraining surface may include a lower groove. The lower groove may include a first region, a second region and a third region. The first region may be located on a side opposite to the upper constraining surface. A wedge angle of the first region may be a first angle, a wedge angle of the second region may be a second angle, and a wedge angle of the third region may be a third angle. The first angle may be smaller than each of the second angle and the third angle.

A cutting tool includes a holder and a cutting insert releasably clamped in the holder. The holder has a rear pocket surface which includes a pocket abutment surface and an adjacent pocket wedge surface. The cutting insert has at least one abutment surface and an adjacent wedge surface. When the cutting tool is assembled but not in use, the pocket abutment surface of the holder abuts the abutment surface of the cutting insert, and the wedge surface of the holder is facing and spaced apart from the wedge surface of the cutting insert. During cutting operations, the wedge surface of the insert may abut against the wedge surface of the holder.

A cutting tool includes a holder and a cutting insert releasably clamped in the holder. The holder has a rear pocket surface which includes a pocket abutment surface and an adjacent pocket wedge surface. The cutting insert has at least one abutment surface and an adjacent wedge surface. When the cutting tool is assembled but not in use, the pocket abutment surface of the holder abuts the abutment surface of the cutting insert, and the wedge surface of the holder is facing and spaced apart from the wedge surface of the cutting insert. During cutting operations, the wedge surface of the insert may abut against the wedge surface of the holder.

A cutting tool used for turning operations is releasably secured to a tool holder. The cutting insert includes top and bottom insert surfaces, each surface including two pairs of insert wedge surfaces. The tool holder includes an insert pocket having a pocket top surface and a pocket bottom surface. When the cutting tool is assembled, only one of the two pairs of insert wedge surfaces of the insert top surface engages the pocket top surface, and only one of the two pairs of insert wedge surfaces of the insert bottom surface engage the pocket bottom surface.

A tool for chip removing machining includes a tool body having at least one insert seat that accommodates a cutting insert having a top and a bottom surface. The tool body secures the cutting insert in the insert seat by an attachment member, and the insert seat has a bottom surface and at least one side surface. The tool includes at least one assembling aid, which is provided at least at one insert seat and which includes a clamping section and a mounting section. The clamping section extends above the bottom surface of the insert seat for, when the cutting insert is accommodated in the insert seat, engaging the top surface of the cutting insert. The clamping section is biased towards the bottom surface of the insert seat and the mounting section is attached to the tool body. A kit includes the tool, a shim and the assembling aid.

A method of clamping a first cutting insert or an adaptor to a holder. Either the holder includes two insert pockets configured for machining in two different orthogonal directions or the holder includes a single adaptor pocket configured for holding the adaptor in two different orthogonal directions. The method includes the steps of choosing one of two orthogonal directions for machining and securing either the first cutting insert to an appropriate one of the two pockets or securing the adaptor to the adaptor pocket for machining in the chosen orthogonal direction.