One Day Deal [300 BULK] Flange Bolts Serrated Hex Washer 1/2-13 X 1 1/4

Introducing the Flange Bolts Serrated Hex Washer 1/2-13 x 1 1/4, a versatile fastening solution designed to deliver strong, reliable joints in automotive, machinery, and construction applications. These flange bolts combine a built-in washer with a serrated flange to provide a secure, flush seating surface and enhanced resistance to loosening from vibration.

The 1/2-13 UNC thread size and 1-1/4 inch length make these flange bolts ideal for thick materials and general-purpose assemblies, reducing the need for separate washers in many setups. The serrated hex washer head grips the surface, helping to lock the fastener in place while distributing clamping force to minimize material deformation.

Key specifications

Thread size: 1/2-13 UNC

Length: 1-1/4 in

Head style: Serrated Hex Washer Flange

Whether you’re outfitting a repair, a build, or a routine upgrade, these flange bolts provide dependable performance with a built-in washer for quick, secure installations. Ideal for applications where a strong, vibration-resistant hold is required and a flush, finished look is desired.