Simpson Strong-Tie #10 x 3-1/2" Self-Drilling Square Drive Screw, Bugle Head - 410 Stainless Steel, Qty. 100 PINWP Powder Actuated Pins W/ Washer This will only fit a

This will only fit a joist that measures an actual 4"x6"

general construction

making it suitable for high-capacity commercial projects

The GW is for high-volume applications and can be used with common powder-actuated tools for fastening into harder substrates (structural steel or extra-hard concrete) when required

Simpson Strong-Tie #10 x 3-1/2" Self-Drilling Square Drive Screw, Bugle Head - 410 Stainless Steel, Qty. 100 PINWP Powder Actuated Pins W/ Washer This will only fit aWhen you need a clean, flush fitting fastener for panel to steel applications, the Simpson Strong Tie F10T350BDC Self Drilling Bugle Head Screw delivers reliable performance. Its bugle head seats flush with wood or OSB panels, the #3 drill point penetrates steel without pre drilling, and the Type 410 stainless steel construction with corrosion resistant coating ensures durability in demanding framing tasks. Ideal for securing wood, plywood or OSB to