1/2-13 X 2-1/4" Hex Flange Bolts | Steel Zinc Plated (250 / Pkg.)

Engineered for reliability in automotive, industrial, and machinery applications, these Flange Bolts Serrated Hex Washer Case Hardened Zinc deliver secure fastening, enhanced vibration resistance, and long-lasting corrosion protection.

These bolts are sized at 1/2-13 UNC with a length of 2-1/4 inches, featuring a flange head with an integrated serrated hex washer for a larger bearing surface and anti-loosening performance. The combination of materials and finish provides durability in challenging environments.

• Size: 1/2-13 UNC, coarse thread
• Length: 2-1/4 inches
• Head type: Flange with serrated hex washer
• Material/Finish: Case-hardened steel with zinc plating
• Applications: Automotive, industrial equipment, machinery, and any vibration-prone assemblies

Durable and corrosion-resistant, these bolts are ideal for assemblies requiring secure fastening under load and vibration. Add them to your hardware kit for dependable performance in daily maintenance and heavy-duty projects.