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 head
• Drive the nut for the max possible torque
• Usually used with square nuts

Coach bolt

• Despite the name, its a large coarse thread woodscrew.
• Gives a far stronger fixing in wood than a regular sized woodscrew

Expanding bolt

• A bolt that expands on tightening.
• Fixes into masonry - but not near edges, or it'll split the masonry.
• Not as strong an attachment as a resin fixed bolt

J Bolt

A J shaped clamp

Chicago Bolt

• Aka interscrew or sex bolt
• One half is hollow, the 2 halves screw together
• Mainly used for fixing kitchen cabinets together to keep them aligned and gap free
• Available in all plastic, all metal or a mix.
• Miniature ones used for stationery are called binding screws

See Also

• Screw
• Identifying a thread
• Make a bolt
• Wiki Contents
• Wiki Subject Categories
• Threaded fasteners FAQ