[3000 BULK] Flange Bolts Serrated Hex Washer Case Hardened Zinc 1/4-20 X 1/2

Flange Bolts Serrated Hex Washer Case Hardened Zinc 1/4-20 x 1/2 provides a secure fastening solution for metal-to-metal and metal-to-wood assemblies, offering high strength, vibration resistance, and a clean finish.

These bolts feature a flange head with an integrated hex washer and serrated under-head surface, designed to distribute load evenly and prevent loosening in demanding environments. The combination of a serrated flange and hex washer helps resist vibration, making them ideal for applications where reliability is critical.

• Material & Finish: Case-hardened steel with zinc plating for improved corrosion resistance and durability.
• Thread & Size: 1/4-20 UNC thread for standard, versatile fastening.
• Length: 1/2 inch grip length suitable for a variety of assemblies.
• Head Style: Flange head with an integrated hex washer for even load distribution and a neat, flush finish.
• Flange Serrations: Serrated underside helps prevent loosening from vibrations and movement.

Ideal for automotive, machinery, enclosure, and general hardware projects where a compact, high-strength fastener is required. The flange and washer combination provides a secure, space-saving solution that reduces the need for additional washers and ensures a clean, professional installation.

Specifications

• Head style: Flange with hex washer
• Thread: 1/4-20 UNC
• Diameter & Length: 1/4 inch major diameter, 1/2 inch length
• Finish: Zinc-plated, case-hardened steel