[60 PKG] Hex Head Cap Screws Grade 8 Steel Zinc Yellow Plated Fine Thread (USA Made) 9/16-18X8

Mutual ScrewSKU: 57128CH8OKC

Price:
Sale price$669.57per 60( $11.16 each)
Pieces 60
Measurement type Inch
Thread size 9/16-18
Diameter 9/16
Length 8
Material Steel
Grade Grade 8
Finish Yellow Plated
Head style Hex
Threads per inch 18
Thread style Partially Threaded
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

Elevate your fastening strength with our Hex Head Cap Screws Grade 8 Steel Zinc Yellow Plated Fine Thread. USA-made and built to endure demanding applications, these screws are sized 9/16-18x8 for secure, high-precision assemblies that stay tight under load.

Key specifications

  • Material: Grade 8 steel
  • Finish: zinc yellow plated
  • Head type: hex head cap screw
  • Thread: fine
  • Diameter: 9/16 in
  • Length: 8 in
  • Thread pitch: 18 TPI
  • Manufacturing origin: USA

Why choose these hex head cap screws

  • High-strength Grade 8 steel delivers reliable performance under heavy loads
  • Corrosion resistance from the zinc yellow plating helps extend service life in challenging environments
  • Fine thread design enables precise clamping and better holding power in tight tolerances
  • Designed for compatibility with standard nuts, washers, and hardware in automotive, industrial, and machinery applications
  • Made in the USA to meet strict quality and sourcing standards

For your next project, choose these Hex Head Cap Screws Grade 8 Steel Zinc Yellow Plated Fine Thread in the 9/16-18x8 size to ensure secure, durable fastenings that perform under demanding conditions. Add to your toolkit and experience dependable strength today.

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

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