Photo 1 of #14 x 3/4" Serrated Hex Washer Head with #2 Drill Point, 1/4"-20 Zinc Plated Thread Self Piercing Screws, Tek & Thread Cutting Screws for Sheet Metal Drilling, Metal Roofing & Garage Door (50 Pcs)

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Photo 1 of #14 x 3/4" Serrated Hex Washer Head with #2 Drill Point, 1/4"-20 Zinc Plated Thread Self Piercing Screws, Tek & Thread Cutting Screws for Sheet Metal Drilling, Metal Roofing & Garage Door (50 Pcs)Photo 2 of #14 x 3/4" Serrated Hex Washer Head with #2 Drill Point, 1/4"-20 Zinc Plated Thread Self Piercing Screws, Tek & Thread Cutting Screws for Sheet Metal Drilling, Metal Roofing & Garage Door (50 Pcs)