Simpson #12 x 4" Self-Drilling Hex-Washer Head Screw, 316 Stainless Steel Framing Nails Anchoring threaded rod and rebar

Anchoring threaded rod and rebar doweling in cracked and uncracked concrete

Material Carbide-Tipped

G90 Galvanized Finish: Zinc galvanized coating (G90) delivers extra corrosion resistance for lasting durability

specify W3 (3 1/4" to 7 1/8") and add an "X" to the end of the core model name

Exterior and interior column base applications where flush concrete installation is required

Simpson #12 x 4" Self-Drilling Hex-Washer Head Screw, 316 Stainless Steel Framing Nails Anchoring threaded rod and rebarModel No. T12400HDU Coating Material. Type 316 Stainless Steel Screw size. #12 Drive Type. 5 16 in. Hex Length (in.) 4 Thread Type. Tapping Threads Head Type. Hex Washer Head TPI. 14 Point Type. Drill Point Use this Stainless Steel Self Drilling Hex Washer Head Screw for fastening aluminum and fiberglass (but not for steel). Applications Aluminum and fiberglass fastening (not steel) Key Features Indented hex washer head Tapping screw thread #3 drill