[100 PKG] Hex Head Cap Screws Grade 8 Steel Plain (USA Made) 5/16-18 x 7/8

Mutual ScrewSKU: 3114CH8PDBB

Price:
Sale price$35.66 Regular price$39.63per 100( $0.36 each)
Pieces 100
Measurement type Inch
Thread size 5/16-18
Diameter 5/16
Length 7/8
Material Steel
Grade Grade 8
Finish Plain
Head style Hex
Threads per inch 18
Thread style Partially Threaded
Weight 2.67 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 Plain (USA Made) 5/16-18 x 7/8 are high-strength fasteners engineered for demanding industrial, automotive, and equipment applications. Made in the USA from Grade 8 steel, these plain finish hex cap screws deliver exceptional strength and reliable performance in assemblies that require durable, dependable fastening.

  • Size / Thread: 5/16-18 UNC, length 7/8" (overall length).
  • Material: Grade 8 steel for superior tensile and shear strength.
  • Finish: Plain (unplated) steel—ready for custom finishing or coating.
  • Head Type: Hex head cap screw for maximum drive torque and equipment compatibility.
  • Made In: USA-made, supporting domestic manufacturing.
  • Applications: Ideal for automotive, machinery, heavy equipment, and general purpose assemblies requiring high-strength fasteners.
  • Installation: Use with corresponding nuts and washers; torque to manufacturer specifications for best results.

Whether you're upgrading existing hardware or outfitting a new build, these Grade 8 hex head cap screws provide the strength you need with dependable, long-lasting performance.

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