Q235 steel anchor bolts for general use, that is, the circle of light. Steel (Q345) strength, do not have light round threaded nut easy. For light round bolt, the depth is generally 25 times its diameter bolt, and then do a 120mm length of about 90 degrees hook. If large bolt diameter (eg 45mm) depth is too deep, it can be welded at the ends of the bolt bolt square plate bridges that do a bulk of it (but also has certain requirements). Depth and hooks are designed to ensure that the foundation bolts and friction, and will not pull out the bolt damage occurred. Supply bolt bolt calculations, Yongnian County, Chen Jing foot screw fastener plant to provide the latest offer price, high quality bolt crane processing distribution, the latest sales charts steel bolt, for businessmen powerful chemical-specific news anchor bolts. Welcome new and old customers to visit, to discuss cooperation! Bolt diameter less than 30mm bolt type, centerline offset less than 30mm, it can be used oxyacetylene roasted red bolt, and then use a sledgehammer to knock bent bolt (or jacking bend), after correction steel weld reinforcement, tighten the bolts to prevent recovery. If the bolt spacing wrong, you can then use the oxyacetylene flame roasted red with a big hammer bend in the middle of welded steel reinforcement, after filling in when it died irrigation. Anchor bolt anchor bolt installation _ _ Yongnian bolt factory famous enterprises recommended | Chen Jing Chen Jing by Yongnian County fasteners plant. Jing Chen Yongnian County Fasteners Factory (www.cjjgjc.com) (www.hdcjjgj.com) strong, credible, in Handan fastener industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Chen Jing fasteners and you hand into the brilliant, for a better future! You can also access (www.hdcjjgj.com/supply_details_45563285.html), for more information about the company.