[2500 BULK] Flange Bolts Serrated Hex Washer Case Hardened Zinc 1/4-20 X 3/4 Buy Direct

Upgrade your fastener kit with Flange Bolts Serrated Hex Washer Case Hardened Zinc 1/4-20 X 3/4. These bolts pair a wide flange head with a built-in washer and a rugged, case-hardened core, delivering secure, vibration-resistant fastening for a range of projects.

Designed for strength and corrosion resistance, the zinc-plated finish protects against rust in indoor and outdoor environments, while the serrated hex washer helps lock the bolt in place, resisting loosening under vibration.

Technical specifications

Thread size: 1/4-20

Length: 3/4 in (19 mm)

Head style: Flange head for a large bearing surface

Washer: Serrated hex washer

Material & finish: Case-hardened steel with zinc finish

Applications

Automotive installations and engine bays

Machinery and equipment mounting

Cabinetry, furniture, and fixtures

General construction and DIY projects

Why choose this bolt? The combination of a flange head, built-in washer, and serrated grip delivers a secure, flush mount with strong pull resistance. The case-hardened core provides enhanced durability for high-stress fastening, while the zinc coating extends life in corrosive environments. Easy to install with common hex drivers.

Order now to ensure you have reliable, long-lasting fasteners for your next project.