5/16" x 3' A307 Steel Round Bar (Unthreaded) – Zinc Finish

Manufactured from ASTM A307 steel, this 5/16" diameter x 3' long unthreaded steel round provides dependable strength for general‑purpose construction, fabrication, and industrial applications. Featuring a zinc finish for added corrosion resistance, it is ideal for spacers, anchoring, custom machining, and assemblies where durability and protection against rust are required.