... steel wire - cold heading wire 1)302HQ, 304HC, 304HCM, 316C 2)use to produce the screws,bolts and nuts etc. Specifications:1) Steel ... 11.00304HC,302HQ,316LCU,201CU,204CU,200CU,420,430Cold heading wire/Annealed wirebright/dullsoft,hard···as requestuse for ... requestused chiefly on production of stainless steel aixs and hardwares.Cold griding bar,cold drawn bar 1.40mm Stainless steel cold heading wire