Simpson Beam Hanger for 3-1/2 x 20 (BA3.56/20) Trim-Head Screw - Square Drive What driver bit do I

What driver bit do I need for these screws

Stair Treads

reducing field labor and material costs

anchor be used in cracked concrete

Designed to support double 2x8 lumber members

Simpson Beam Hanger for 3-1/2 x 20 (BA3.56/20) Trim-Head Screw - Square Drive What driver bit do ISimpson BA3. 56 20 BA Top Flange Joist Hanger for 3 1 2 in. x 20 in. Engineered Wood by Simpson Strong Tie is engineered for both engineered wood and solid sawn lumber applications. This top flange hanger delivers medium load capacity with solid sawn lumber and higher load capacity with engineered wood products. The BA series offers flexible nailing options minimum nailing with positive angle nailing (PAN) for moderate load conditions and maximum