Grade 8 Zinc Yellow Plated Carriage Bolts 5/16-18X2 1/2
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Grade 8 Zinc Yellow Plated Carriage Bolts 5/16-18X2 1/2

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[500 BULK] Grade 8 Zinc Yellow Plated Carriage Bolts 5/16-18X2 1/2

Mutual ScrewSKU: 3140C8KC
Price:
$432.83per 500( $0.87 each)
Pieces 500
Measurement type Inch
Thread size 5/16-18
Diameter 5/16
Length 2-1/2
Material Steel
Finish Zinc Yellow Plated
Grade 8
Head style Carriage
Threads per inch 18
Weight 28.0 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 Carriage Bolts, sized 5/16-18 x 2-1/2 inches, are engineered for high-strength timber connections. Designed to resist corrosion thanks to a zinc yellow plated finish, they’re ideal for both indoor and outdoor projects where reliable fasteners are essential.

Key specifications:

  • Material: Grade 8 steel
  • Finish: Zinc yellow plated
  • Thread: 5/16-18
  • Length: 2-1/2 in
  • Type: Carriage bolt

Applications include:

  • Timber connections in decks, fences, and outdoor structures
  • Furniture assembly and other wood projects requiring a secure, non-turn head

Why choose these bolts? The Grade 8 steel provides strong load-bearing performance, while the zinc yellow plating offers corrosion resistance, extending the life of your project in varying weather conditions. The carriage bolt design helps prevent turning during installation, delivering a clean, secure finish.

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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