Please specify the details of punch pins as follows when you inquire or order:
1. The material of punch pins you need or the material of screw you used.
2. The head shape/type & recess of punch pins you need.
3. The specification of standard you used, for examples: JIS, ANSI or DIN.
4. The punch pin dimension, for example: D x L
5. The surface coating type, for example: Plain, Tin, Ticn, Tialn.
6. It is also available for the specification with your own special design.