A bolt is a threaded shaft mechanical fastening. Bolts and screws, both mechanical fasteners having threaded shafts, are closely linked. These fasteners are usually put through two pieces having holes..

High tensile bolts have a higher tensile strength than normal bolts, making them much more common and useful in a variety of applications. A blackish-colored alloy is used in many high-tensile bolts a..

A High Tensile Bolt is a form of threaded fastener with an external male thread requiring a matching pre-formed female thread such as a nut...