Simpson #12 x 1-3/4" Strong-Drive TB WOOD-TO-STEEL Screw, Black Phosphate PACK:50 Pk making them appropriate for use

making them appropriate for use in projects that must meet building code requirements

reinforced core flute maximizes energy transfer for enhanced drilling speed and durability

diameter bolts (required)

QDPROLDHG2 and QDPROPHG2

Maximum Bending Width: 48 inches

Simpson #12 x 1-3/4" Strong-Drive TB WOOD-TO-STEEL Screw, Black Phosphate PACK:50 Pk making them appropriate for useSimpson Strong Drive TB Wood to Steel Screw, #12 x 1 3 4", Black Phosphate is a structural fastener engineered by Simpson Strong Tie for reliable wood to metal connections in dry, interior, and noncorrosive environments. Designed to fasten wood securely to steel up to 1 4 in. thick, this screw combines a self drilling drill point with tapping threads to deliver fast, clean installation without pre drilling. The black phosphate finish provides a