Steel square bars are commonly used in machining, fabrication, and structural applications where strength, durability, and precision are required. Their solid square profile makes them ideal for shafts, spacers, supports, brackets, and custom metal parts. Suitable for welding, cutting, and machining, steel square bars are widely used in industrial and commercial projects. Key Specifications Material: Carbon steel Shape: Square bar (solid) Finish: Raw / mill finish Weldability: Excellent Machinability: Good Available Square Sizes 3/8″ × 3/8″ 1/2″ × 1/2″ 3/4″ × 3/4″ 1″ × 1″ Standard Lengths 4 ft 6 ft 8 ft Custom cuts and bulk orders available upon request.