3/4"-10 × 3‑1/2" Carriage Bolt – Grade 8, Plain Finish

Built for heavy‑duty fastening where added length and maximum strength are required, the 3/4"-10 × 3‑1/2" Grade 8 carriage bolt is well suited for demanding structural and industrial applications. The rounded, low‑profile head provides a clean exterior finish, while the square neck is designed to pull firmly into wood or metal to prevent rotation during installation. Manufactured from heat‑treated alloy steel, this Grade 8 fastener delivers exceptional tensile strength and durability for high‑stress, load‑bearing assemblies. The plain, uncoated finish is ideal for controlled environments or applications where surface coatings are unnecessary. Common uses include machinery frames, equipment mounts, structural supports, and industrial fixtures requiring secure, long‑reach fastening.