[25 PKG] Hex Head Cap Screws Grade 5 Steel Zinc Plated 9/16-18 X 1-1/4

Mutual ScrewSKU: 5720CH5

Price:
Sale price$13.14per 25( $0.53 each)
Pieces 25
Measurement type Inch
Thread size 9/16-18
Diameter 9/16
Length 1-1/4
Material Steel
Grade Grade 5
Finish Zinc Plated
Head style Hex
Threads per inch 18
Thread style Partially Threaded
Weight 4.0 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

Secure, reliable, and built to last, these Hex Head Cap Screws are your go-to solution for medium to heavy-duty assemblies. Crafted from Grade 5 steel and finished with zinc plating, they combine high tensile strength with excellent corrosion resistance, making them suitable for a wide range of applications—from machinery and automotive work to structural fastenings.

Key specifications

  • Material: Grade 5 steel
  • Finish: Zinc plated for enhanced corrosion resistance
  • Thread size: 9/16-18 UNC
  • Length: 1-1/4 inch
  • Head type: Hex head cap screw
  • Suitable for: Demanding fastening projects requiring strong torque retention

Featuring a durable zinc finish, these screws resist moisture and environmental contaminants, helping to prevent rust and extend service life in challenging settings. The 9/16-18 coarse thread provides strong grip and quick assembly, while the Grade 5 steel offers a robust balance of strength and toughness.

Applications

  • Industrial machinery and equipment assemblies
  • Automotive, automotive aftermarket, and heavy-duty repair projects
  • Structural bracing and equipment mounting
  • Any project requiring a dependable, high-strength hex head cap screw

Tips for best results: ensure compatibility with the corresponding nut or tapped hole, use the appropriate driver for hex head screws, and select a washer if required to distribute load and protect the mating surface.

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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