[1500 BULK] Flange Bolts Serrated Hex Washer Case Hardened Zinc 5/16-18 X 5/8 Buy Today

Secure, vibration-resistant fastening with our Flange Bolts Serrated Hex Washer Case Hardened Zinc 5/16-18 X 5/8. Built to endure demanding applications, these bolts pair a serrated hex washer flange with a case-hardened steel core and a durable zinc finish for long-lasting performance.

Size and thread: 5/16-18 UNC, 5/8 in long.

Material and finish: Case-hardened steel with zinc plating for maximum strength and corrosion resistance.

Design: Serrated hex washer flange provides a larger bearing surface that resists loosening under vibration.

Applications: Ideal for automotive, machinery, equipment, and structural assemblies requiring secure, clean fasteners.

Performance: High shear strength and reliable retention in challenging conditions.

Choose these flange bolts when you need a robust, corrosion-resistant fastener that delivers a tidy finish and dependable clamping power.

Specifications

Product type: Flange bolts with serrated hex washer

Material: Case-hardened steel

Finish: Zinc

Diameter: 5/16 in

Thread pitch: 18 per inch

Length: 5/8 in