[300 BULK] Grade 8 Zinc Yellow Plated Hex Tap Bolt (Full Thread) 5/16-18X4 1/2

Mutual ScrewSKU: 3172BHT8KC

Price:
Sale price$458.42per 300( $1.53 each)
Pieces 300
Measurement type Inch
Thread size 5/16-18
Diameter 5/16
Length 4-1/2
Material Steel
Grade 8
Finish Zinc Yellow Plated
Head style Hex
Threads per inch 18
Thread style Fully Threaded
Weight 26.0 lb

WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to https://www.P65Warnings.ca.gov.

Description

Grade 8 Zinc Yellow Plated Hex Tap Bolt (Full Thread) 5/16-18X4 1/2 is a high-strength fastening solution designed for demanding industrial, automotive, and machinery applications. With a full-thread design, this hex tap bolt delivers exceptional grip and secure clamping across tapped holes or through assemblies that require precise, durable engagement.

  • Grade 8 alloy steel: Superior tensile strength for high-load environments and demanding installations.
  • Full-thread design: Threads run the entire length for versatile mounting and consistent engagement.
  • Size and length: 5/16-18 UNC, length 4 1/2 inches.
  • Finish: Zinc yellow plated (yellow zinc chromate) for enhanced corrosion resistance and a distinctive finish.
  • Head type: Hex head for easy driving with standard wrenches or sockets.
  • Applications: Ideal for automotive assemblies, heavy equipment, machinery installations, and other high-strength fastening needs.

Specifications at a glance: 5/16-18 UNC thread, 4 1/2 inch length, Grade 8, zinc yellow plated, full-thread hex tap bolt. Crafted from reliable alloy steel to ensure long-lasting performance under vibration and load. For best results, pair with compatible nuts and tapped holes, follow torque recommendations, and verify thread engagement for secure, durable fastening.

Can We Help?

If you’re not sure that this product is right for you, give us a call!
800-222-0324

Recently viewed