3/8"-16 × 1‑1/2" Carriage Bolt – Grade 8, Plain Finish

Manufactured for high‑strength fastening where additional grip length is required, the 3/8"-16 × 1‑1/2" Grade 8 carriage bolt provides dependable performance in demanding structural and industrial applications. The smooth, domed head offers a clean finished look, while the square neck is designed to draw into wood or metal to prevent rotation during tightening. Produced from heat‑treated alloy steel, this Grade 8 fastener delivers excellent tensile strength and durability for load‑bearing assemblies. The plain, uncoated finish is ideal for controlled environments or applications where surface coatings are not necessary. Common uses include machinery frames, equipment mounts, fixtures, and structural connections requiring secure, high‑load fastening.