Hex Head Cap Screws Grade 5 Steel Zinc Plated Coarse Thread 5/16-18X3 3/4
Roll over image to zoom in Click on image to zoom
Hex Head Cap Screws Grade 5 Steel Zinc Plated Coarse Thread 5/16-18X3 3/4

Image may not reflect complete product dimensions and specifications. Please call to confirm any questions.

[400 BULK] Hex Head Cap Screws Grade 5 Steel Zinc Plated Coarse Thread 5/16-18X3 3/4

Mutual ScrewSKU: 3160CH5OKC
Price:
$217.87per 400( $0.54 each)
Pieces 400
Measurement type Inch
Thread size 5/16-18
Diameter 5/16
Length 3-3/4
Material Steel
Grade Grade 5
Finish Zinc Plated
Head style Hex
Threads per inch 18
Thread style Partially Threaded
Weight 35.0 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

Experience dependable strength with our Hex Head Cap Screws, crafted from Grade 5 steel and finished with a durable zinc plate. Designed for heavy-duty use, these screws feature a coarse thread for fast, secure engagement in a variety of materials. Size: 5/16-18 x 3 3/4 in.

Product Details

  • Head type: Hex head cap screw
  • Material: Grade 5 steel
  • Finish: Zinc plated
  • Thread: Coarse, 5/16-18
  • Length: 3 3/4 in
  • Diameter: 5/16 in

Applications

Ideal for automotive, machinery, equipment assembly, and construction projects where strong, reliable fastening is essential. The Grade 5 alloy delivers excellent tensile strength, while the zinc plating helps resist corrosion in indoor and outdoor settings.

Why choose these screws?

  • Strong, reliable retention for heavy-duty assemblies
  • Coarse 5/16-18 thread provides quick, self-cleaning engagement
  • Excellent balance of strength, toughness, and corrosion resistance

Can We Help?

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

Recently viewed