[55 PKG] Hex Head Cap Screws Grade 8 Steel Zinc Yellow Plated (USA Made) 7/8-9X3

Mutual ScrewSKU: 8748CH8OKC

Price:
Sale price$319.65per 55( $5.81 each)
Pieces 55
Measurement type Inch
Thread size 7/8-9
Diameter 7/8
Length 3
Material Steel
Grade Grade 8
Finish Yellow Plated
Head style Hex
Threads per inch 9
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

Upgrade your hardware kit with our Hex Head Cap Screws Grade 8 Steel Zinc Yellow Plated (USA Made) 7/8-9X3. Designed for heavy-duty performance, these fasteners combine high strength with reliable corrosion resistance, ideal for demanding assemblies.

Key Features

  • Grade 8 steel: unmatched tensile strength for critical joints.
  • Zinc yellow plated: durable corrosion resistance for long-lasting service.
  • 7/8" diameter, 3" length: standard size for heavy equipment and automotive applications.
  • 7/8"-9 UNC thread: coarse thread for quick, secure fastening.
  • Hex head: allows torque with standard wrenches for fast installation.
  • USA-made: built to strict quality standards with reliable performance.

Applications

Ideal for automotive assemblies, machinery, equipment mounting, heavy construction hardware, and any project requiring strong, reliable fasteners with protection against corrosion.

Why choose these?

Choosing Grade 8 hex cap screws ensures you’re working with superior strength-to-weight ratio, reducing the risk of thread stripping and fastener failure in critical joints. The yellow zinc plating adds a protective layer against moisture and chemicals, while the USA-made guarantee provides consistent quality and traceability.

Specifications

Size: 7/8" diameter, 9 threads per inch, 3" long. Material: Grade 8 steel. Finish: Zinc yellow plated. Head type: Hex. Thread class: UNC coarse.

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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