[200 PKG] Hex Head Cap Screws Grade 8 Steel Zinc Yellow Bake CR6 5/16-18 x 8

Mutual ScrewSKU: 31128CH8

Price:
Sale price$144.52per 200( $0.72 each)
Pieces 200
Measurement type Inch
Thread size 5/16-18
Diameter 5/16
Length 8
Material Steel
Grade Grade 8
Finish Yellow Bake
Head style Hex
Threads per inch 18
Thread style Partially Threaded
Weight 35.0 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

Engineered for strength and reliability, these Hex Head Cap Screws combine Grade 8 steel with a durable zinc yellow baked finish (CR6). This high-strength fastener is designed for demanding industrial, automotive, and machinery applications, delivering reliable performance under heavy loads and vibration.

Key specifications include a 5/16-18 UNC thread and an 8 inch length, with a hex drive for secure installation and removal.

  • Material: Grade 8 steel
  • Finish: Zinc yellow baked coating (CR6) for improved wear and corrosion resistance
  • Thread size: 5/16-18 UNC
  • Length: 8 in
  • Drive type: Hex
  • Applications: Heavy equipment, machinery assembly, automotive, and general purpose fastenings

Choose these hex head cap screws for a secure, long-lasting fastening solution that stands up to tough environments and higher torque requirements.

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