Drywall Screws
Drywall Screws and Wood Screws are not created equal. Do you know the difference and how they are made differently?... Read More
Drywall Screws
Wood Screws are designed for use in furniture manufacturing operations and other demanding industries using hardwoods and other "tough" materials. "Drywall" screws are designed to penetrate a layer of powdery drywall and a soft wooden or thin metal stud.
- They have a thinner shank that Traditional or Production Screws which makes them more prone to snapping off if over torqued driving them into hardwoods.
- The threads are a different design that are other woodworking screws. Because the entire shank is threaded, this will not allow the peices being joined to pull together and insteand may push them appart.
- Drywall screws were originally made for driving into Metal Studs in Comercial Buildings and the point is shaped to peirce that metal as it's being driven into. For this reason, they are hardened and makes them more brittle and snap easier.
- Last, the "Bugle Head" is designed to dimple the layer of paper on Drywall spreading the load accross the surface for more holding power.
Double Lead - Twinfast: Two threads are wrapped around the shank. One revolution advances the screw 2 pitch lengths advantageous on long screws or in situations requiring rapid assembly. Drywall screws typically use this thread since pull-out strength isn't as important as speed. These screws lack the pull-out resistance of "Deep" threaded screws.
That's why you should never use Drywall Screws in Woodworking applications.
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