ISO 3940:1977

Tapered die-sinking cutters with parallel shanks

Lays down the diemnsions of these cutters with plain parallel or parallel flatted shanks. The cutters are particular intended for directly obtained clearances of moulds, patterns and dies, when these exceed 2 52′. Applies to flat-end cutters and ball-nosed cutters. There are short type, medium type, and long type cutters.