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About Tapping Screws
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Steel Hex Head Drilling Screws for Metal
Zinc-Plated Steel External Hex
These steel screws have corrosion-resistant finishes. A hex head provides a secure grip with a wrench and a flange reduces the risk of crushing thin metal. They save you time and effort by drilling their own holes and fastening in a single operation. Length is measured from under the flange. Head height includes the flange.
Zinc-plated steel screws resist corrosion in wet environments.
Drill Tip | Head | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Lg. | Type | Lg. | Max. Drilling Thick. | Wd. | Ht. | Flange Dia. | Thread Size  | Threading | For Use In | Pkg. Qty. | Pkg. | |
External Hex—Zinc-Plated Steel | ||||||||||||
5/16" | ||||||||||||
| 1 1/4" | No. 3 | 13/32" | 0.220" | 0.5" | 0.29" | 0.676" | 5/16"-12 | Fully Threaded | Steel, Sheet Metal | 10 | 000000000 | 00000 |