Simpson Strong-Tie #12 x 1-3/4" Self-Drilling TB Wood-To-Steel Screw, Square Flat Head - Black Phosphate, Qty. 2,000 LGU/MGU/HGU/HHGU Girder Face Mount Hangers Secure your metal roofing and

Secure your metal roofing and siding projects with #12 InsulDrill Metal Roofing Screws

Versatile material compatibility - suitable for wood

For reliable installation

Apply two 1/4"-diameter beads of fire-resistant mortar caulk directly to top-of-wall plates for the first 6" on either side of top flange

Simple Installation:

Simpson Strong-Tie #12 x 1-3/4" Self-Drilling TB Wood-To-Steel Screw, Square Flat Head - Black Phosphate, Qty. 2,000 LGU/MGU/HGU/HHGU Girder Face Mount Hangers Secure your metal roofing andThe Simpson Strong Tie TBP1245R2000 Strong Drive TB Wood to Steel Screw with black phosphate coating is designed for high performance fastening of wood to steel in interior, dry environments. This structural screw features a flat head with under head nibs for clean countersinking, a #4 drill point with wings to eliminate wood splitting, and a 6 lobe recess for controlled driving torque. The black phosphate finish provides smooth driving and a clean