We supply high strength bolt with standard din931 Grade: 4.8, 5.8, 8.8, 10.9, 12.9 Treatment (finish): plain, black, hot dippedgalvanized The size: m5-m42 The length from 10mm-240mm.
Bolts.
Stainless steel screw
Tension springs, compression springs, torsion springs, oil seal springs, roller shutter springs, and any kind of wire clip. Steel wires and SUS wires are 100% imported from Taiwan, Japan and Korea, and we use the most professional machine to produce springs, we have a full range of diameter and material can produce from 0.1~50mm
