A307 Grade A Carriage Bolts are manufactured from low carbon steel to meet or exceed ASTM A307 Grade A

4-40 x 3/16 Phillips Flat 82 Undercut Machine Screw Black Zinc Plated (10

Straight shank Ground shank M2 high speed steel Extra flexibility for drilling in inaccessible areas Suitable for: Stainless Steel Medium alloyed materials

10 x 2 1/2 Simpson Flat-Head Deck-Drive™ DWP Wood Screws - 6-Lobe Drive 316 SS - Deck Pack (350)

3/4-10 x 3 Socket Set Screw Cup Point Alloy

1-14 x 8 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (10) Phillips Flat Concrete Screws A307 Grade A Carriage Bolts1 14 x 8 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (10) . 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