12 x 3/4" ST-XL Woodbinder Metal Roofing Stitch Screw - Plain Finish, – Fasteners Plus
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14 x 7/8" Metal to Metal Type #1 Black 5/16" Hex Head -Drill Point - Stitch Tek - Metal to Metal Roofing Screws. 9/16" EPDM Washer: Amazon.com: Industrial & Scientific
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14 x 7/8" Metal to Metal Type #1 (250) MANSARD BROWN 5/16" Hex Head -Drill Point - Stitch Tek - Metal to Metal Roofing Screws. 9/16" EPDM W
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Amazon.com: U-Turn - 14 x 7/8 Lap Stitch Screws for Metal Roof 410 SS Tek 1 (50 Pack) : Industrial & Scientific
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Stitching Screws Series, Metal for Roofing | BDN Fasteners
Metal Sales #12 x 3/4-in Brown Painted Galvanized Self-drilling Roofing Screws (100-Count) in the Roofing Screws department at Lowes.com
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Metal roof side lap question | DIY Home Improvement Forum