The materials of our cold working stainless steel wires are mainly Japan nippon steel 302HQ.
Every screw produced is very important and good screws are made of only good materials.
Bolt / Mechanical Bolt / Rivet / Blind Rivet / Screw / Tapping Screw / Nail / Washer
Grade：302HQ, 304, 304Cu, 304J3, 316, 316L, 410, 430
Surface：S-co , bright, OXALATE
Strength： W1 、 W2 、 W1/2
Standard：JIS G4315 or JIS G4309 or We can also produce products according to the standard requested by our customers.