... -45mm 5.Finish:zinc plate,brass plate, Metric ISO8750 Black zinc plated Slotted Spring Pins 1.Material carbon steel,stainless steel,copper ... .2, DIN1481 4.Surface Finish zinc plate,plain finish,black oxide, phosphated, nickel plated 5. Normal diameterM2, M2.5, M3, M4, M5 ... and pallet packing ,small boxes,or according to the customer's requirement 7. MOQ 30000pcs 8. Endsends are rounded for easy ...