15pcs 5/8-11 x 4 Square Head Bolts A307 Unplated

This pack contains (15) durable square head bolts from Lexar Industrial, perfect for heavy-duty applications. Made from grade 307A steel, these unplated fasteners feature a 5/8-11 thread size and a 4-inch length, with a 1-3/4-inch thread length and a 15/16-inch square head for enhanced grip and torque. The bolts conform to ASTM A333 specifications, ensuring reliable performance in construction, woodworking, and industrial projects.

These unplated bolts are ideal for use in environments where corrosion resistance is not a primary concern, offering a clean, functional finish. Their square head design minimizes rotation during installation, providing a secure hold in high-stress applications. Great for DIYers, contractors, and professionals seeking cost-effective, high-quality fasteners.