3/8"-16 × 1‑3/4" Carriage Bolt – Grade 8, Plain Finish

Designed for applications that require added grip length and high mechanical strength, the 3/8"-16 × 1‑3/4" Grade 8 carriage bolt delivers dependable performance in demanding assemblies. The smooth, rounded head provides a clean, finished appearance, while the square neck is engineered to lock into wood or metal to prevent turning during installation. Manufactured from heat‑treated alloy steel, this Grade 8 fastener offers excellent tensile strength suitable for load‑bearing and high‑stress use. The plain, uncoated finish is ideal for controlled environments or installations where surface coatings are not required. Commonly used in machinery frames, equipment mounts, fixtures, and structural connections requiring secure, mid‑length fastening.