[1250 BULK] Flange Bolts Serrated Hex Washer Case Hardened Zinc 5/16-18 X 7/8

Introducing our Flange Bolts with Serrated Hex Washer, Case Hardened Zinc, 5/16-18 x 7/8 inch — built for strong, secure fastening with vibration resistance and a clean, professional finish.

These fasteners pair high strength with corrosion resistance thanks to their case-hardened steel core and zinc plating. The flanged head distributes clamping load over the surface, while the serrated flange helps prevent loosening in dynamic applications.

• Thread size: 5/16-18
• Length: 7/8 in
• Head type: Flange with serrated hex washer
• Material: Case-hardened steel
• Finish: Zinc-plated for corrosion resistance
• Benefits: Flange distributes load and the serrated flange provides a secure bite

Ideal for automotive, machinery, and equipment assemblies where vibration resistance and long-lasting corrosion protection are essential.

Choose these high-strength, corrosion-resistant flange bolts for reliable performance in demanding applications.