#14 Hardened Stainless Steel HWH w/ EPDM Sealing Washer, Self-Drilling TEK roofing screws MB1187 Undercut Note: Only the shortest

Undercut Note: Only the shortest length features an undercut flat head

Feature Details Diameter / Thread #12-24 UNC Available Lengths ½″ & ¾″ (full thread) Head / Drive Slot-Indented Hex Washer — 5/16″ A/F + straight slot Flange Design Serrated underside for anti-vibration grip Point Style Type 23 (triangular chip-relief) Material Carbon Steel Finish Bright Zinc-Bake (RoHS) System of Measurement US / Inch Standards ASME B18

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Stocked in both full and partial-thread (PT) versions

#14 Hardened Stainless Steel HWH w/ EPDM Sealing Washer, Self-Drilling TEK roofing screws MB1187 Undercut Note: Only the shortest#14 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 #14 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,