5/16-24 x 2 Grade 5 Hex Cap Screw Plain Domestic USA (100) M20-2.5 Hex Cap Screws 8.8 DIN 931 Zinc Plated Over-sized thread diameter tightly fills

5 16 24 x 2 Grade 5 Hex Cap Screw Plain Domestic USA (100) M20 2.5 Hex Cap Screws 8.8 DIN 931 Zinc Plated Over sized thread diameter tightly fills Over sized thread diameter tightly fills the existing spike holes for better holding strength and a watertight fit #3 square drive virtually eliminates cam out during hard to reach installations Durable UV resistant white and brown head paint matches most gutter systems Thick galvanized base coating guaranteed not to rust or react with aluminum Free driver bit included American made 1 2 13 x 1 1 4 Grade 5 Hex Cap Screw Plain Domestic USA (50) 000 psi and for diameters over 1 inch to 1 1 2 Tensile strength for diameters 1 4 to 1 inch is a minimum of 120