[850 BULK] Hex Head Cap Screws Grade 8 Steel Zinc Yellow Plated (USA Made) 5/16-18X1 3/4

Mutual ScrewSKU: 3128CH8OKC

Price:
Sale price$325.96per 850( $0.38 each)
Pieces 850
Measurement type Inch
Thread size 5/16-18
Diameter 5/16
Length 1-3/4
Material Steel
Grade Grade 8
Finish Yellow Plated
Head style Hex
Threads per inch 18
Thread style Partially Threaded
Weight 38.0 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

Hex Head Cap Screws Grade 8 Steel Zinc Yellow Plated (USA Made) 5/16-18X1 3/4 are high-strength fasteners designed for demanding assemblies. Made in the USA from Grade 8 steel, these hex head cap screws feature a durable zinc yellow plated finish for corrosion resistance and long-lasting performance in a variety of applications.

Whether you're assembling heavy machinery, automotive components, or construction projects, these 5/16-18 x 1 3/4 inch screws deliver reliable clamping force and consistent thread engagement.

Key Benefits

  • High-strength Grade 8 steel provides excellent tensile and shear strength for demanding fastenings.
  • USA made with strict quality control and traceability.
  • Zinc yellow plated finish offers corrosion resistance in a wide range of environments.
  • 5/16-18 UNC thread ensures compatibility with standard nuts and taps of the same size.
  • 1 3/4 inch length provides versatile reach for common assemblies.
  • Hex head design allows easy driving with common wrenches or sockets.

Specifications

  • Diameter: 5/16 in
  • Thread: 18 per inch (5/16-18 UNC)
  • Length: 1-3/4 in
  • Material: Grade 8 Steel
  • Finish: Zinc Yellow Plated
  • Country of origin: USA

Applications

Ideal for high-stress applications in automotive, industrial machinery, construction equipment, and general mechanical assemblies where strong, reliable fasteners are required.

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800-222-0324

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