The Hex Head Bolt is a common fastener in construction and machine assembly. The screw head is designed to fit a ratchet or spanner torque wrenches allowing the tightening the screw to exact specifications. Hex head cap screws are typically used to create a bolted joint, in which a threaded shaft exactly fits a corresponding tapped hole or nut. Grade 2 screws tend to be used in construction for joining wood components. Grade 5 screws are used in small engines. Grade 8 screws provide high tensile strength. One advantage Hex Head Bolt has over welds or rivets is that it allow for easy disassembly for repairs and maintenance. We are engaged in supplying Hex Head Bolt in India.