This part specifies the type and size of ordinary straight shank of milling cutters (diameter 3mm ~ 63mm). This section applies to single-end milling cutters and double-end milling cutters. The types and dimensions of threaded shanks with straightened shanks and 2° beveled shanks are listed in GB/T 6131.2, GB/T 6131.3 and GB/T 6131.4 respectively.
GB/T 6131.1-2006 history
2006GB/T 6131.1-2006 Cylindrical shanks for milling cutters.Part 1: Types and sizes of plain cylindrical shanks
1995GB/T 6131.1-1996 Parallel shanks for milling cutters--Part 1: Dimensional characteristics of plain parallel shanks