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T08100HDUM Self-Drilling Hex-Washer Head Screw *For further description please see the Simpson Strong Tie: Fastening Systems Catalog for available products & product illustrations. **Click table icon for size, length, gauge, shank diameter, head diameter and approx. count per pound. Self-Drilling, Hex-Washer Head Screw Marutex and Stainless Steel Features: • Indented hex-washer head • Tapping screw thread • #3 drill point • Available in Marutex and types 305 and 316 stainless steel • Marutex is a heat-treated chrome-moly alloy that provides superior corrosion resistance to type 410 stainless steel and is suitable for more demanding applications • Types 305 and 316 stainless steel provide superior corrosion resistance and are suitable for softer materials such as aluminum and fiberglass (not steel) • Warning: Hardened stainless-steel fasteners should not be used with steel framing in environments with high humidity, condensation or other moisture that will be present at the dissimilar-metal interface.