Simpson Strong-Tie #7 x 2-1/4" Self-Drilling Siding Screw, Square Trim Head - 410 Stainless Steel, Qty. 100 U/HU I-Joist & SCL Hangers Strong-Tie Quik Drive DWFSD self-drilling

Strong-Tie Quik Drive DWFSD self-drilling screws are designed to fasten drywall to cold-formed steel

The #7 Round EPDM Metal Roof Pipe Boot with Install Kit is a complete solution for sealing pipe penetrations on metal roofs

High Load Capacity: Engineered to support demanding structural loads in residential and commercial applications

Tri-lobe thread design - reduces composite board damage during installation

Drive System: Compatible with a #2 square drive for stable tool engagement and fast installation

Simpson Strong-Tie #7 x 2-1/4" Self-Drilling Siding Screw, Square Trim Head - 410 Stainless Steel, Qty. 100 U/HU I-Joist & SCL Hangers Strong-Tie Quik Drive DWFSD self-drillingThe Simpson Strong Tie F07T225TDC Self Drilling Siding Screw is designed to deliver strength, speed, and long lasting performance in fiber cement siding and trim applications. Made from 410 stainless steel and engineered for corrosion resistance and durability, this high performance screw is ideal for fastening siding to metal or wood framing without the need for pre drilling. The patented winged design clears excess material during installation,