Simpson #12 x 1-1/2" Self-Drilling Hex-Washer Head Screw, 305 Stainless Steel Joist Framing Connectors Tighten the two rods until

Tighten the two rods until each all-thread rod is visible in the Witness hole

including structural steel and extra-hard concrete

Bolt / Rod Diameter: 1 in

It also features certified welds to provide confidence in its strength and load capacity

salts and mild chemicals

Simpson #12 x 1-1/2" Self-Drilling Hex-Washer Head Screw, 305 Stainless Steel Joist Framing Connectors Tighten the two rods untilModel No. S12150HDU Coating Material. Type 305 Stainless Steel Screw size. #12 Drive Type. 5 16 in. Hex Length (in.) 1 1 2 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