1/4"-20 × 3" Carriage Bolt – Grade 8, Plain Finish

Intended for applications requiring extra length and high structural strength, the 1/4"-20 × 3" Grade 8 carriage bolt delivers dependable performance in demanding fastening situations. The rounded, low‑profile head provides a clean finished look, while the square neck locks into wood or metal to prevent turning during tightening. Manufactured from heat‑treated alloy steel, this Grade 8 fastener is engineered for high tensile strength and load‑bearing capability. The plain finish is well suited for controlled environments or assemblies where coatings are unnecessary. Common uses include machinery frames, equipment mounts, fixtures, and structural assemblies that require secure, long‑reach fastening.