[75 PKG] Flange Bolts Serrated Hex Washer Case Hardened Zinc 5/8-11 X 2 1/4 Clearance

Flange Bolts Serrated Hex Washer Case Hardened Zinc 5/8-11 X 2 1/4 are high-strength fasteners engineered for reliable performance in demanding applications. With a serrated flange, built-in hex washer, and zinc finish, these bolts distribute load, resist loosening, and stand up to rust and corrosion.

Key features

Thread size: 5/8-11 UNC

Length: 2 1/4 in

Material & finish: Steel, case-hardened with zinc plating

Design: Serrated flange with integrated hex washer for improved load distribution and vibration resistance

Finish properties: Zinc plating for corrosion resistance

Typical applications: Automotive, machinery, equipment assemblies and other high-vibration environments

Durable, reliable fasteners designed to provide secure, long-lasting performance in challenging conditions. The case-hardened steel combined with a zinc finish offers excellent strength and corrosion resistance for everyday industrial use.