... :zinc plate,brass plate, Metric ISO8750 Black zinc plated Slotted Spring Pins 1.Material carbon steel,stainless steel,copper and etc ... .. 2. pin style spring pin 3. Standard ISO8750, ISO8752, ASME B 18.8.2, DIN1481 4.Surface Finish zinc ... and pallet packing ,small boxes,or according to the customer's requirement 7. MOQ 30000pcs 8. Endsends are rounded for easy ...