Stud Bolts high strength 4.8 6.8 8.8 10.9 12.9 standard size Zinc Plain Dacromet Plated DIN938 GB901 D939 Stud Bolts manufacture wholesale price

1.RAW MATERIAL: half the molten material books, annealing, pickling, wire drawing processing. Aluminum, copper content is lower, the better the performance. Products smooth and no burr, well-made, rapid and durable.

2.COLD HEADING: The principle of screw forming is cold or hot multi-station upsetting according to the plastic deformation of metal to meet the shape and size requirements of the required parts. Its characteristic is less cutting or no waste, low cost, high efficiency, high degree of finish. Compared with cutting, its output strength is high.

3.THREAD ROLLING: Thread rolling principle is the use of metal plasticity, the rolling forming of semi-finished products, in order to achieve the required thread specification. My company is currently using the gear hobbing machine is production of planar reciprocating gear hobbing machine in Taiwan. Good accuracy, high efficiency, one of the leading enterprises in the domestic industry.

1. 25 kg bags or 50kg bags.

2. bags with pallet.

3. 25kg cartons or cartons with pallet.

4. Packing according to customer’s requirement

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.