This standard specifies the dimensions and specifications of 60° cone head straight rod circular punch. This standard applies to 60° cone head straight rod circular punch with a diameter of 0.5mm-15mm. This standard also gives material guidelines and hardness requirements, and specifies the marking of 60° cone-head straight shank round punches.
JB/T 5827-2008 Referenced Document
JB/T 7653 Die parts technical conditions*, 2020-12-09 Update
JB/T 5827-2008 history
2008JB/T 5827-2008 Stamping dies.Round punches with 60°conical head and straight shank
1991JB/T 5827-1991 Die 60° Cone Head Straight Rod Round Convex Die