... Instructions:1) Grade: 201, 202, 301, 302, 304, 304L, 316, 316L etc.,2) Standard: AISI, ASTM, DIN, GB, JIS, SUS2) Diameter ... the production of this very fine diameter wire.Stainless Steel Cold Heading Wire (CHQ)(Cold Heading Wire, Screw Wire)Application: Nuts, bolts, screws, gaskets, frameSteel Grade ...