solid masonry and hollow masonry

3/4-10 x 12 A307A Hex Bolt Hot Dipped Galvanized

Manufactured to NAS 907 Type J specifications Heavy duty construction for portable or machine drilling For use in drilling in high tensile strength alloy steels

1/2-13 x 6 Grade 5 Hex Cap Screw Plain Domestic USA (25)

1 1/4-7 x 4 1/2 A307A Hex Bolt Zinc Plated

7/16-14 x 3 1/4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (250) M6-1.00 Socket Cap Screws 12.9 Alloy Plain DIN 912 solid masonry and hollow masonry7 16 14 x 3 1 4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (250) . 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