This standard specifies the types and dimensions of single-angle milling cutters. This standard applies to single-angle milling cutters with an outer diameter of 40 to 100 mm.
GB/T 6128.1-1996 history
2007GB/T 6128.1-2007 Angle milling cutter Part 1: The single and double unequal-angle cutters
1996GB/T 6128.1-1996 Angle milling cutter--Part 1: The types and dimensions for single angle cutter