What are T bolts? A bolt with a T-shaped head, made to fit into a T-shaped slot in a drill swivel head; by means of it the swivel head can be turned to any angle of inclination to drill a borehole. Also, a similar bolt made to fit into a T-slot in the bed of a machine, for the purpose of holding a piece of metal to be machined or to fasten a machine to its base. Tbolts are usde for : T Bolts are usually used to create designs in construction, mechanical, automobile, and railway. The advantage of T bolt T Bolts are considered as the ideal tighteners as they can prevent the loosening of objects by vibrations. Most often objects get loosened during work, because of vibrations, if it is not tightened perfectly. But T bolts prevent this by significantly managing the vibrations and providing tight fixations. T-bolts are a fast and simple way to connect your accessories to your framework.  The hammer shaped head has serrated teeth that provide a strong, electrically conductive connection.  These fasteners are great for attaching accessories to your framework.