[675 BULK] Grade 8 Zinc Yellow Plated Carriage Bolts 3/8-16X1 1/4

Mutual ScrewSKU: 3720C8KC

Price:
Sale price$741.43per 675( $1.10 each)
Pieces 675
Measurement type Inch
Thread size 3/8-16
Diameter 3/8
Length 1-1/4
Material Steel
Finish Zinc Yellow Plated
Grade 8
Head style Carriage
Threads per inch 16
Weight 36.0 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 3/8-16X1 1/4 are high-strength fasteners designed for secure wood-to-wood connections. Crafted from Grade 8 steel and finished with a durable zinc yellow plating, they offer excellent load capacity and corrosion resistance for outdoor and heavy-duty projects. Each bolt features a 3/8-16 thread and a length of 1-1/4 inches, providing versatile fitment for a wide range of applications.

Key specifications

  • Material: Grade 8 steel for superior strength
  • Finish: Zinc yellow plating for corrosion resistance
  • Thread size: 3/8-16
  • Length: 1-1/4" (1.25 in)
  • Head type: Domed head with a square neck for secure seating in wood
  • Applications: Ideal for wood-to-wood connections in outdoor furniture, decking, fencing, and heavy-duty framing

Installation & usage

For best results, pre-drill holes to accommodate the bolt diameter, align the parts, insert the carriage bolt, and secure with a nut and washer on the opposite side. The square neck helps prevent rotation during tightening and ensures a firm, flush fit in wood projects.

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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