spring lock pin 1.material:SS301,SS302,SS304,SS316,SS17-7,etc 2.wire dia.:0 ... certificate. spring lock pin1.material:SS301,SS302,SS304,SS316,SS17-7,etc2.wire dia.:0.01-10mm3.ISO9001 ... : Automotive, medical device, electronics, toy,etc Stainless Steel spring lock pin Verified Information This information is Verified by Bureau ... Pcs Per Year Spring 69,000,000 Pcs, Pin 6,000,000 Pcs, Stamping 5,000,000 Pcs ...