#8 x 1-5/8" Simpson Strong-Tie DWP T20 Flat Head Wood Screw - 305 Stainless Steel, Pkg. 350 Wood Siding Nails The special thread design eliminates

The special thread design eliminates mushrooming in composite boards

Roof Framing: Supports rafters or ceiling joists to provide essential reinforcement in roofing systems

and general exterior projects where corrosion resistance is critical

Not all nail holes will be filled on all models

Available in multiple lengths

#8 x 1-5/8" Simpson Strong-Tie DWP T20 Flat Head Wood Screw - 305 Stainless Steel, Pkg. 350 Wood Siding Nails The special thread design eliminatesSimpson Strong Tie DWP Flat Head Screws are built for strength, reliability, and clean finishes in decking, trim, and general exterior wood applications. Made from 305 stainless steel for maximum dependable outdoor corrosion resistance, these screws perform in harsh environments and with treated lumber. The flat head design allows the screw to countersink for a flush fit, providing a smooth, professional look. With a Type 17 point, installation is