Russian customer placed the order to us and provided their drawing and required size of punching dies.
Overview:
Round hole of punching die: Φ7,Φ9, Φ11, Φ13, Φ15,Φ17, Φ19, Φ21 (mm)
Oval hole of punching die: 7x11(mm), 9x13(mm), 11x15(mm), 13x18(mm), 17x21 (mm)
Customers only need to tell us the punching die size, we can customize it for free, according to customer needs.