Models of screws
The right screw can speed up and simplify a job, and provide the lasting hold and appearance you expect. Here are the general types and features of screws offered in the hardware aisle.
Soft-steel wood screws
- Traditional wood screw.
- Single-helix thread and flat head.
- Length: 3/8" to 6".
- Gauge: 2 to 18.
Hardened-steel wood screws
- Suitable for all types of wood.
- Double-helix thread and high-strength steel allows it to be driven without a pilot hole.
- Length: 3/8" to 4".
- Gauge: 3 to 12.
Wood screws for decks
- Hardened-steel screw specifically designed to resist corrosion.
- Drives quickly.
- Length: 1" to 4".
- Gauge: 8 to 10.
- Versatile, hardened-steel screw
- The sharp threads can cut into metal, plastic, fibreglass, or other materials without pre-drilling.
- Shank is threaded to the head.
- Choose a size that is slightly longer than the combined thickness of the pieces.
- Length: ¼" to 2 ½".
- Gauge: 4 to 14.
- Used for the assembly of metal parts or to attach hardware.
- Usually driven into a threaded or pre-drilled hole