Simpson Strong-Tie #10 x 1-3/4" Strong-Drive PPHD Sheathing-To-Steel Screw - Quik Guard Coating, Qty. 4,000 EPDM Pipe Flashings The "chair" is designed for

The "chair" is designed for optimum concrete flow when concrete is wet and meets the code requirement of 1"

650" washer head - distributes load and resists pull-through on heavy timber

Smooth Upper Shank – Pulls materials tightly together for stronger

sill plates

I-joists require web stiffeners to achieve full table loads

Simpson Strong-Tie #10 x 1-3/4" Strong-Drive PPHD Sheathing-To-Steel Screw - Quik Guard Coating, Qty. 4,000 EPDM Pipe Flashings The "chair" is designed forFast and reliable for attaching sheathing or sub floor panels to steel framing, the Strong Drive PPHDQ134B1016 4K PPHD Sheathing to CFS Screw is engineered to drill through panel layers and into cold formed steel (CFS) framing without pre drilling. With its longer #5 pilot point, fine thread design, flat head and six lobe drive, this screw is built to deliver strong engagement, clean seating and efficient installation for professionals and DIYers