Bolt
A cylindrical threaded fastener.
Bolt with washer and then nut threaded onto the bolt.
Coach or Carriage Bolt
A small rounded head with a square section under the head designed to stop the bolt rotating.
Flanged Bolt
A bolt with a built in washer on the head.
Machine Bolt
Bolt with a plain hexagonal head.
Socket or Caphead Bolt
Fastened with a hexagonal Allen key.
T Bolt
The head of the bolt is designed to locate in the T slots of a bedplate.
U Bolt
A U-shaped, bent iron bar that has bolts and threads at both ends.
See also: Anchor Bolt, Breakaway Torque, Hot Bolting, Nut, Screw, Snug Torque, Thread, Washer.
Subjects: Fixings and Fasteners