#12 Hardened Stainless Steel HWH w/ EPDM Sealing Washer, Self-Drilling TEK roofing screws Waterproof Upgrade your fastening solutions with

Upgrade your fastening solutions with our premium 1/4"-20 Hex Flange Bolts

For best results: Use a heat source of at least 1000 °F (538 °C)

high-strength design Material / Grade Black Alloy Steel

These UNC coarse-thread fasteners deliver precise fit

rounded button head design spreads clamping load evenly

#12 Hardened Stainless Steel HWH w/ EPDM Sealing Washer, Self-Drilling TEK roofing screws Waterproof Upgrade your fastening solutions with#12 Indent Hex Washer Head Self Drilling Screws with EPDM Sealing Washers 410 Hardened Stainless Steel for Superior Strength and Corrosion Resistance Enhance your projects with our high quality #12 Indent Hex Washer Head (HWH) Unslotted Self Drilling Sheet Metal Screws, featuring EPDM sealing washers. Made from 410 Hardened Stainless Steel (Washer: EPDM Rubber and Stainless Steel), these screws offer exceptional strength and good corrosion resistance,