Simpson #7 x 1-5/8" Gray, Trim-Head Screw, 6-Lobe Drive 316 Stainless Steel Diamond Blade Body Material: Cast Iron

Body Material: Cast Iron

lag screws

While the carbon steel screws are finished with a zinc plating and a baked-on ceramic coating

Solid Carbide (STC) Construction Premium super-strength solid carbide provides exceptional wear resistance for high-speed production drilling

Why is Type 316 stainless steel recommended for deck fasteners in coastal or marine environments

Simpson #7 x 1-5/8" Gray, Trim-Head Screw, 6-Lobe Drive 316 Stainless Steel Diamond Blade Body Material: Cast IronSimpson #7 x 1 5 8" Gray Trim Head Screw with T15 6 Lobe Drive in Type 316 Stainless Steel is engineered for professional deck builders and contractors who need a clean, low profile fastening solution that stands up to the harshest coastal and high exposure environments. Designed specifically for PVC and composite deck boards as well as wood decking, these trim head fasteners deliver a polished, nearly invisible finish while providing the corrosion