fermacell screws with nibs:Each spring contact part can be produced using your choice of materials and to your custom fermacell screws with nibs:1)Standard: DIN95/96/97, DIN7995, DIN7997, BS1210, BS1210 Hardened 2)Size: M2.5-M6, 2#-14# 3)Material: 6A,8A,brass,stainless fermacell screws with nibs