Coil-thread products ACME/TRAPEZIFORM Special products Hex nuts Hex bolts Washer Screw Others

Hex coil bolts and nuts Coil Threaded bolt Place of Origin? Zhejiang, China (Mainland) Brand Name? huilian Model Number? coil thread item? coil thread bolt material? carbo steel,alloy stell,ss finish? zp,black,HDG,PLAIN