Bolts are commonly used to fasten things together. What type of bolt you should use depends on the job at hand.
Things You'll Need
- Hex Lag Bolts
- Carriage Bolts
- Combination Wrench Sets
- Crescent Wrenches
- Machine Bolts
- Machine Screws
- Stove Bolts
Consider a lag bolt for heavy-duty fastening of wood to wood or metal to wood.
Use machine bolts and machine screws for metal work. Machine bolts have a hexagonal or square head; machine screws have a slotted head.
Join metals with a stove bolt. This bolt also has a slotted head.
Fasten wood objects with a carriage bolt. This type has a round head with no slot and is sunk up to the "shoulder," a squared-off part on the shank that prevents the bolt from turning once it's in the wood.
Cut a piece of all thread, or threaded rod, to the length you need if you can't find a long enough bolt. Bolts run up to 6 inches long, whereas all thread comes in 3-foot lengths.
Tips & Warnings
- Bolts are described in terms of diameter, pitch and length. A 1/2-by-20-by-1 bolt is 1/2 inch around, has 20 threads per inch (pitch), and is 1 inch long.
- Bolts are typically used with washers and nuts.
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