All hex cap screws are tested to meet ASTM F606 standards for hardness

3/4-10 x 4 1/2 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (20)

1 3/8-6 A194 2H Heavy Hex Nut Plain

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

7/8-9 x 3 1/2 Socket Cap Screw 18-8 (A2) Stainless Steel

5/8-11 x 4 1/2 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (100) 1/2-13 Grade 8 Hex Cap Screws Yellow Zinc Plated All hex cap screws are5 8 11 x 4 1 2 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (100) . L9 High Tensile Strength Hex Cap Screws are designed for use in high stress, severe service environments. The highest mechanical strength off the shelf fastening system available, its special features control torque tension characteristics to develop high clamp loads when using properly controlled tightening methods. Brighton Best manufactures L9 bolting from AISI alloy steels. L9