Simpson Strong-Tie #12 x 1-3/4" Self-Drilling TB Wood-To-Steel Screw, Square Flat Head - Black Phosphate, Qty. 2,000 Roofing Tile Screw Guns this rod offers superior corrosion

this rod offers superior corrosion resistance and strength

It features excellent ozone and weather-resistant elastomer that provides superior aging characteristics

protecting your structure from moisture and harsh weather

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or tying together structural members

Simpson Strong-Tie #12 x 1-3/4" Self-Drilling TB Wood-To-Steel Screw, Square Flat Head - Black Phosphate, Qty. 2,000 Roofing Tile Screw Guns this rod offers superior corrosionThe 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