Hex nut high strength 4.8 6.8 8.8 10.9 12.9 standard size Zinc Plain Nylon Insert Lock Nuts UNF UNC ANSI DIN982 DIN985 A4-70 manufacture wholesale price

Special process and characteristic advantages:
1.Galvanized surface,high brightness,strong corrosion resistance
2.Carburize tempering treatment, high surface hardness
3.Advanced technology, high locking performance.

1. 25 kg bags or 50kg bags.

2. bags with pallet.

3. 25kg cartons or cartons with pallet.

4. Packing as customers’ request

YungChang (YC) is a fastener manufacture enterprise, major product includes bolts, nuts, crews, pins, anchors, hose clamp, and special customized, use high quality raw material which originate from imported or domestic large-scale steel factory, the production applies advanced ERP management system and flexible operation model. By its top-grade talent and first-class producing equipment, High quality, various item, different colour and excellent service. The capacity per year is over 30 thousands tons, which is the main manufacturer of high strength fasteners in China, supplying products to European Union, Southeast Asia, Africa , Japan, Korea, and American markets.