You can order them in the exact quantity you need rather than accepting some arbitrary quantity

5/8-11 x 16 A307A Hex Bolt Hot Dipped Galvanized

7/8-9 x 4 1/4 Hex Cap Screw SS 18-8 (A2)

Note - there is no single standard for coupling nut dimensions

1/2-13 x 1 1/4 Grade 8 Hex Cap Screw Plain Domestic USA (50)

7/8-9 x 7 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (25) Drop-In Anchor Setting Tools You can order them in7 8 9 x 7 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (25) . 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