[1000 BULK] Flange Bolts Serrated Hex Washer Case Hardened Zinc 3/8-16 X 1/2

Flange Bolts Serrated Hex Washer Case Hardened Zinc 3/8-16 x 1/2 are designed to deliver superior strength, reliable grip, and corrosion resistance in demanding applications. These fasteners combine a flange under the head with a serrated hex washer to provide a larger bearing surface and anti-slip performance, making them ideal for assemblies where vibration is a concern.

• Thread size: 3/8-16 UNC
• Length: 1/2 inch
• Head type: Flange with integrated serrated hex washer
• Material & finish: Case-hardened steel with zinc plating for enhanced durability and corrosion resistance
• Benefits: Large bearing surface, improved load distribution, and reduced loosening under vibration
• Applications: Automotive, machinery, equipment assemblies, panel mounting, and frame connections

Designed for quick, secure fastening, these flange bolts simplify installation by combining the washer and bolt into a single unit. Use with compatible nuts and clean, dry threads for best results. Always torquing to appropriate specifications to ensure proper clamping force and long service life.