Stainless steel wire - cold heading wire 1)302HQ, 304HC, 304HCM, 316C 2)use to produce the screws,bolts and nuts etc. Specifications:1 ... kinds of fasteners manufacturing, for example: precision screws, bolts and nuts etc., and also in manufacturing rivet, nail, stable, pins for ... for various kinds of fastener manufacturing precision screws,bolts and nuts ,rivet,nail.stable,pins1.0-7.0302,304,321,631J1 ...