[500 BULK] Flange Bolts Serrated Hex Washer Case Hardened Zinc 3/8-24 X 1 Best Choice

Durable flange bolts designed for secure, long-lasting fastening, these Serrated Hex Washer bolts feature a case-hardened steel core with a zinc finish for reliable performance in tough environments.

Offering a built-in flange and serrated hex washer, this hardware grips the workpiece to minimize loosening from vibration. The 3/8-24 size refers to a 3/8 inch diameter with 24 threads per inch, and a length of 1 inch, making them ideal for a wide range of assemblies.

Key Features

Size: 3/8-24 x 1 inch

Head type: Flange head with serrated hex washer

Material & finish: Case-hardened steel with zinc coating for corrosion resistance

Thread: 3/8-24 UNC

Vibration resistance: Serrated washer helps prevent loosening in dynamic assemblies

Applications: Suitable for automotive, machinery, equipment, and outdoor fixtures

Why Choose These Bolts?

Combining high-strength construction with corrosion protection and anti-loosening features, these flange bolts are ideal for critical fastening tasks. The zinc finish guards against rust, while the case-hardened core delivers durability in demanding environments.

Specifications

Finish: Zinc plated

Material: Case-hardened steel

Thread: 3/8-24 UNC

Length: 1 inch

Head: Flange with serrated hex washer