This standard specifies the types and dimensions of thread cutting chucks. This standard is suitable for clamping chucks according to JB/T 3411.13-1999 "Die Collet Dimensions" or JB/T 3411.14-1999 "Tap Collet Dimensions".
JB/T 3411.15-1999 history
1999JB/T 3411.15-1999 Holder for taping and thread die cutting.Dimensions