Basic Major Diameter: 2

If you work as a service professional or a contractor

1-8 x 8 Hex Cap Screw SS 316 (A4)

1 1/4-12 x 8 Socket Cap Screw Alloy

1/2 x 14 Hex Lag Screw Zinc Plated

6 x 1 1/4 Simpson Bugle-Head Self-Drilling Screw - Square Drive 410 SS - Carton (5000) Short Arm Hex Keys Alloy Basic Major Diameter: 26 x 1 1 4 Simpson Bugle Head Self Drilling Screw Square Drive 410 SS Carton (5000) . Fasten wood, plywood and OSB panels to steel studs #2 square drive bugle heads drive flush with work surface Tapping screw threads, #3 drill points Drilling thickness capacities: up to . 083" (68 mils, 14 ga.) for #6, up to . 142" (118 mils, 10 ga) for #8 and up to . 177" for #10