Time between starting and finishing a job

Total time for turning work including regarding of tool

Time between two successive regrinds

Time between starting of metal cutting and tool wear out

Brass

Steel

Plastic

Grey cast iron

quick production of threads

cutting threads on soft metal directly

rectifying threads cut on steel rods which are distorted

rectifying crest and root of threads formed by single point tool

75 Degree

90 Degree

100 Degree

120 Degree