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Steel Phillips Drilling Screws for Joining Wood to Metal
With Cutting Wings
These screws speed installation by drilling, tapping, and fastening wood and metal in a single operation. Length is measured from the top of the head.
Screws with cutting wings drill a slightly larger hole in the wood to allow for expansion. The wings break off when they contact metal, so the screw can tap the remainder of the hole.
Zinc-plated steel screws resist corrosion in wet environments.
For technical drawings and 3-D models, click on a part number.
Head | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Lg. | Screw Features | Drill Point Size | Drill Tip Lg. | For Metal Thick. | For Wood Thick. | Dia. | Ht. | Drive Size | Thread Size  | Threading | Pkg. Qty. | Pkg. | |
Zinc-Plated Steel | |||||||||||||
1/4" | |||||||||||||
| 3 1/4" | Cutting Wings | No. 4 | 1/2" | 0.11"-0.375" | 0.75"-2.25" | 0.472" | 0.153" | No. 3 | 1/4"-20 | Fully Threaded | 5 | 000000000 | 000000 |