Simpson #12 x 4" Self-Drilling Hex-Washer Head Screw, 316 Stainless Steel Framing Nails Install With: #10 screws

Install With: #10 screws

What material and finish is used on the ECC5 1/4-6

Material Carbide-Tipped

Straightforward Installation: Bolted connection method allows for efficient and accurate field installation

Simpson #12 x 4" Self-Drilling Hex-Washer Head Screw, 316 Stainless Steel Framing Nails Install With: #10 screwsModel 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