Supply of high-strength bolts, high strength bolts crane, Yongnian County standard Factory Lite provides high strength bolts latest offer price, high-quality high-strength bolts processing distribution at 8.8, the latest sales charts strength bolts 1.9 high-strength bolts of construction, for merchants to provide strong 12.9 high strength bolts news. Welcome new and old customers to visit, to discuss cooperation! Friction-type high-strength bolts and bearing type is actually the same kind of high-strength bolts bolt, but is designed to be considered high strength bolts slip. Friction-type high-strength bolts must not slide, do not bear the shear bolts, slip once high-strength bolts, designed to destroy the state is considered a standard high-strength bolts, technically more mature. Supply of high-strength bolts, high strength bolts crane, Yongnian County standard Factory Lite provides high strength bolts latest offer high-strength bolts material prices, quality and processing of high strength bolts 8.8 distribution, the latest 1.9 high strength bolts sales charts, for merchants to provide strong 12.9 high strength bolts news. High-strength bolts are prestressed bolts, friction type torque wrench to impose requirements with prestressed, pressure type Torx screw off. Ordinary bolt shear performance is poor, can be used in the secondary structure of the site. Just an ordinary bolt tighten. Ordinary bolt is generally 4.4, 4.8, 5.6 and 8.8. High-strength bolts usually 8.8 and 10.9, the majority of which 10.9. Yongnian high-strength bolts, high strength bolts factory everyone says good | Lite, high-strength bolts supplied by Yongnian County standard Factory Lite. Yongnian County standard Factory Lite (www.ynjxbzj.com) quality services and products, and are subject to approval and confidence in the new and old customers and the industry. Our company is a certified member of the whole network Commercial Union, Commercial Union customer service icon on the page, you can talk directly with our customer service staff, to our future cooperation happy!