This standard specifies the technical requirements for keyway broaches, the basic requirements for performance testing and marking packaging. This standard applies to GB/T14329.1 "Type and Dimensions of Keyway Broaches with Flat Cutter Body", GB/T14329.2 "Type and Dimensions of Keyway Broaches with Widened Flat Cutter Body", GB/T14329.3 "Type and Dimensions of Chamfered Teeth Keyway broach type and size" specified keyway broach.