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 19 64 Heavy Duty Jobber Drill Bit 000 psi and for diameters over 1 inch to 1 1 2 All products are manufactured with rolled threads