Cap Head Square Neck Bolts DIN 603 high strength 4.8 6.8 8.8 10.9 12.9 manufacture wholesale price

The characteristics of the carrige bolt(coach bolt/Cap Head Square Neck Bolts) are that the head is made into a semicircle, and a square neck is made below the head). A square hole should also be made correspondingly on the connected parts connected with such bolts. The bolt is inserted into the connecting piece, and when the nut is screwed on, the bolt will not rotate due to the square neck. Its head is relatively smooth, and it is not easy to hook other objects

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2. Packing as customers’ request

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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.