The 305 Stainless Steel (#2 Square) screws are ideal for outdoor applications

9/16-12 x 5 Grade 8 Hex Cap Screw Plain Domestic USA (100)

3/4-10 x 7 Hex Cap Screw SS 18-8 (A2)

3/8-16 x 2 1/4 Grade 8 Hex Cap Screw Plain Domestic USA (100)

3/16 x 4 Simpson Mushroom Head Crimp Drive® Anchor Zinc Plated Carbon Steel - Box (100) 3/4-16 Grade 8 Hex Cap Screws Yellow Zinc Plated The 305 Stainless Steel (#2This box of 100 Simpson Mushroom Head Crimp Drive Anchors features a 3 16 inch diameter and 4 inch length, made of zinc plated carbon steel for superior strength and corrosion resistance. Perfect for applications in concrete, brick, and block.