Hex Head Cap Screws Grade 8 Steel Zinc Yellow Bake 5/16-18 x 4"" (PT)
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Hex Head Cap Screws Grade 8 Steel Zinc Yellow Bake 5/16-18 x 4"" (PT)

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[50 PKG] Hex Head Cap Screws Grade 8 Steel Zinc Yellow Bake 5/16-18 x 4"" (PT)

Mutual ScrewSKU: 3164CH8
Price:
$38.32per 50( $0.77 each)
Pieces 50
Measurement type Inch
Thread size 5/16-18
Diameter 5/16
Length 4
Material Steel
Grade Grade 8
Finish Yellow Bake
Head style Hex
Threads per inch 18
Thread style Partially Threaded
Weight 4.65 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 Bake 5/16-18 x 4" (PT) are engineered for high-strength fastening in demanding mechanical assemblies. Featuring a robust Grade 8 steel core and a durable zinc yellow baked coating, these screws deliver reliable performance in harsh environments.

Constructed from Grade 8 steel for superior tensile strength, these screws resist bending and shear loads. The zinc yellow baked coating provides corrosion resistance and a distinctive finish that helps with identification and durability on busy shop floors. The PT designation indicates partially threaded construction, offering precise clamp load and better alignment in many assemblies.

Key features

  • Material: Grade 8 steel
  • Finish: Zinc yellow baked coating
  • Size & thread: 5/16-18 coarse thread
  • Length: 4 inches
  • Head: Hex head cap screw
  • Threading: Partially threaded (PT)

Typical applications

Ideal for automotive, machinery, equipment assemblies, and heavy-duty construction projects where a strong, reliable fastener is required.

Choose these Hex Head Cap Screws for consistent performance, easy installation, and long-lasting reliability in tough environments.

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800-222-0324

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