1. Second Punch/Recess punch is used to form the recess & head style of the screw.
2. The material is normally high speed steel M2, sometimes use M35, M42.
3. For keeping punch life longer, surface coated is considerable, including Tin, or Tialn, etc.
4. The recess style is including Philip(+), Slot(-), Combination(+-), Pozi.(*), Torx(6-Lobe) & Hex, Socket, etc.
5. The head style is including Flat head, Pan head, Oval head, Binding head,Round head, Truss head, Button head, Hex head.
6. The standard is including JIS, ANSI, DIN, ISO, BS, GB.
7. Most of Second/Recess punch used to make carbon steel screw, if you would like to make stainless steel screw or alloy screw, please inform in advance.
8. Our standard punch Dia. & Length is Dia.12X14.5L, 12X25L, 14X25L, 18X18L, 18X25L, 23X25L, etc.

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