About This 【High quality materials】Made of high quality alloy-steel，Can withstand strong torque. Electroplating blackening process, corrosion-resistant, Long service life, can be used repeatedly for a long time. 【Standard embedded threads】Drill driver bits has a 1/4 standard hexagonal head, perfect match with electric drill. The internal threads of the drill sleeve are clear and the pitch is standard. Suitable for 5/16"-18 screws or bolts. 【Widely Used】Suitable for Hanger Bolt, double headed screws, Fully All Threaded Rod, threaded drill bits etc. 【Fast and convenient】Safe, Fast and Convenient. When connected to the hanger bolt driver, Installing screws becomes quick and effortless, Avoiding scratches from sharp screws. They are good tool for improving work efficiency. 【Thread Size】Thread: 5/16" -18, Length: 1-5/8", Shank: 1/4" hex power Overview Material : Alloy Steel, Iron Manufacturer Grade : high quality Head Style : Hex Fastener Type : Hanger Bolt Brand : Yoliko
