#8 x 3/4 inch HWH Zinc Plated Self-Drilling Screws 10M Box

#8 x 3/4 inch HWH Zinc Plated Self-Drilling Screws 10M Box

$57.58
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This self-tapping screw is recommended for light sheet metal and light-gauge steel framing, very common in HVAD ductwork applications. Self-drilling screw drills a hole and taps a thread in a single operation. The drilling point must fully penetrate all pieces of material being fastened before the first thread engages. The washer and hex head are formed together as one piece. The underside of the hex washer head provides a flat bearing surface that reduces the likelihood of crushing mating surfaces when you drive this screw.

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