Simpson Strong-Tie #12 x 1-3/4" Self-Drilling TB Wood-To-Steel Screw, Square Flat Head - Black Phosphate, Qty. 50 Flat Head 410 Stainless Steel Concrete Screws The QDPRO200G2 drywall attachment features-

The QDPRO200G2 drywall attachment features-

The phillips/slotted drive makes installation and removal easy

or machinery

This product is intended for use with 12x12 lumber but is also available in other sizes

Simpson Strong-Tie #12 x 1-3/4" Self-Drilling TB Wood-To-Steel Screw, Square Flat Head - Black Phosphate, Qty. 50 Flat Head 410 Stainless Steel Concrete Screws The QDPRO200G2 drywall attachment features-The Simpson Strong Tie TBP1245R50 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