[10 PKG] Left Hand Thread Grade 8 Tap Bolts Full Thread 5/16-18 X 2-1/2

Mutual ScrewSKU: 3140CH8LH

Price:
Sale price$232.78per 10( $23.28 each)
Measurement type Inch
Thread size 5/16-18
Diameter 5/16
Length 2-1/2
Material Steel
Grade 5
Finish Zinc
Head style Hex
Threads per inch 18
Thread style Fully Threaded
Weight 1.0 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

Engineered for high-stress fastening, our Left Hand Thread Grade 8 Tap Bolts deliver unmatched strength and secure engagement in reverse-loading applications. These full-thread fasteners are perfect for equipment and machinery that require a left-hand thread, ensuring reliable performance under torque and vibration.

Key specifications

  • Thread direction: Left-hand thread
  • Grade / material: Grade 8 alloy steel for high strength and durability
  • Thread size / length: 5/16-18 x 2-1/2 in (full thread)
  • Thread form: Coarse 5/16-18 UNC
  • Applications: Left-hand threaded fasteners for automotive, machinery, gear assemblies and other left-handed fastening needs

Why choose these tap bolts?

  • Left-hand threads resist loosening in rotating or reverse-loading systems
  • Full thread provides superior clamping and engagement
  • Rugged Grade 8 alloy steel stands up to tough conditions

Ideal for professional workshops and DIY projects where precision and reliability matter. Add these 5/16-18 x 2-1/2 Left Hand Thread Grade 8 Tap Bolts to your toolkit and ensure secure, long-lasting assemblies.

Can We Help?

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

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