Simpson 4d x 1-1/2" Roofing Nail, Annular Ring Shank, 316 Stainless Steel 10 Ga. PACK:5 Lb The SDWF Floor-to-Floor screws install

The SDWF Floor-to-Floor screws install from inside the structure

simplifying installation in tight or angled framing conditions while maintaining proper fastener alignment

The ETBS wire brush system

Sharp point tip - speeds up screw starts during assembly

008 IPR for precise depth control

Simpson 4d x 1-1/2" Roofing Nail, Annular Ring Shank, 316 Stainless Steel 10 Ga. PACK:5 Lb The SDWF Floor-to-Floor screws installSimpson 4d x 1 1 2" Annular Ring Shank Roofing Nail in 316 Stainless Steel is a professional grade fastener engineered for demanding roofing applications where corrosion resistance and long term holding power are essential. Manufactured in the United States by Simpson, this 10 gauge nail features an annular ring shank that dramatically increases withdrawal resistance compared to smooth shank alternatives, making it a reliable choice for securing