Hex bolt high strength 4.8 6.8 8.8 10.9 12.9 standard size Zinc Plain hex head bolt UNF UNC ANSI DIN931 DIN933 manufacture wholesale price

Special technology and characteristic advantages:
1. The surface of galvanized, high brightness, strong corrosion resistance
2. Carburizing 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

1. We have a complete set of our own team to support your sales.
We have outstanding R&D team, strict QC team, exquisite technology team and good service sales team to offer our customer the best service and products. We are both manufacturer and trading company.

2. With our own factories, we have formed a professional production system from raw material supply, manufacturing to sales, as well as a professional R&D and QC team. We are always up to date with the market trends. We are always ready to introduce new technologies and services to meet the needs of the market.

3. Quality assurance.
We have our own brand and corresponding quality meaning, we passed ISO9001 and IATF16949 quality system certification in 2019, and have been rated as a “trustworthy” and “quality-oriented” enterprise by the Chinese government for 10 consecutive years.

4.Fast delivery time
We have our own factory and professional manufacturers, for you to save the time and trade company to negotiate. We will try our best to meet your requirements.

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.