10-24 x 3/8 Phillips Flat 82 Undercut Machine Screw Black Zinc Plated (10

so they fill old worn spike holes tightly

9/32 Heavy Duty Jobber Drill Bit

brick and masonry

45/64 x 6 Reduced Shank Drill Bit Cobalt (1/2 Shank)

5/16-18 x 3/4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (100) Drop-In Anchor Setting Tools - Clearance 10-24 x 3/8 Phillips Flat5 16 18 x 3 4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (100) . Grade 8 Hex Cap Screws are manufactured in the USA from medium carbon alloy steel. In diameters 1 4 to 1 1 2 inches our Grade 8 material meets or exceeds SAE J429 Grade 8 specifications. Diameters over 1 1 2 inches meet or exceed ASTM A354 Grade BD. All material is manufactured with rolled threads. Yellow zinc plated bolting will meet or exceed ASTM F1941. Typical hardness on