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 25 LVL/PSL/LSL girders

25 LVL/PSL/LSL girders

Dispenses at a 1:1 ratio

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

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

The Simpson Strong-Tie RTC Corners are used to secure 2 wood members to a vertical post forming a 90° corner

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 25 LVL/PSL/LSL girdersThe 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,