Tensile Strength: Minimum of 74

With a 2H classification and a proof load strength of 175

1 3/8-12 x 4 1/2 Socket Cap Screw Alloy

The zinc plating provides a protective layer that enhances resistance against moisture

8 x 1 5/8 Simpson Fiber-Cement Screws T17 316 SS - Box (100) SDS Plus Hammer Drill Bits Tensile Strength: Minimum of 748 x 1 5 8 Simpson Fiber Cement Screws T17 316 SS Box (100) . Fasten fiber cement through furring strips to wood or steel studs #2 square drive wafer head Self countersinking nibs under head insure seating of screw head flush with work surface Threaded to within 5 16" of top of head Drilling thickness capacity: up to 0. 142" (118 mils or 10 ga.)