Bolt
More bolt types will be added as and when. Please chip in!
Bolt types
Roofing bolt

- A particularly versatile pattern of bolt
- Screwdriver drivable
- Drive the nut for the max possible torque
Chicago Bolt

- Aka interscrew or sex bolt
- One half is hollow, the 2 halves screw together
- Mainly used for fixing kitchen cabinets together
- Available in all plastic, all metal or a mix.
- Miniature ones used for stationery are called binding screws
Coach bolt

- Despite the name, its a large coarse thread woodscrew.
- Gives a far stronger fixing in wood than a regular sized woodscrew
J Bolt
A J shaped clamp
Expanding bolt

A bolt that expands on tightening. Fixes into masonry - but not near edges, or it'll split the masonry.