TCMT InsertTool Holder

DNMG inserts are diamond or “D” shaped turning inserts with a 55-degree angle. They're a versatile cutting tool used for grooving, profiling, finishing, and other machining applications. Our DNMG inserts are all manufactured by Walter – a well-known producer of quality and precision cutting tools.

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TCMT Insertsizes

TCMT carbide insert is a 60°triangle with a 7°relief. The center hole is a 40°-60° single countersink, and there is a single-sided chip breaker. It has an inscribed circle (IC) of 0.25" (1/4"), a thickness of 0.094" (3/32"), and a corner (nose) radius of 0.0156" (1/64").

A negative insert has an angle of 90° (0° clearance angle), while a positive insert has an angle of less than 90° (for example, 7° clearance angle). The illustration of the negative style insert, shows how the insert is assembled and tilted in the holder.

TCMT Triangle Insert with Hole. Screw-On Insert. 7 degree relief angle. Single Sided Insert with GM/GF-Medium Chip breaker for semi-finishing and finishing in a variety of materials and applications.