[50 PKG] Hex Head Cap Screws Grade 5 Steel Plain (USA Made) 5/16-18 x 4 1/2

Mutual ScrewSKU: 3172CH5PDBB

Price:
Sale price$51.09 Regular price$56.77per 50( $1.02 each)
Pieces 50
Measurement type Inch
Thread size 5/16-18
Diameter 5/16
Length 4-1/2
Material Steel
Grade Grade 5
Finish Plain
Head style Hex
Threads per inch 18
Thread style Partially Threaded
Weight 5.19 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 5 steel, plain finish, USA made. These high-strength fasteners measure 5/16-18 in thread size with a length of 4 1/2 inches, designed to endure demanding applications where reliability matters. Ideal for machinery, automotive, and equipment assemblies requiring a sturdy, precision-fit fastener.

  • Material: Grade 5 steel – high-strength alloy for durable, load-bearing performance.
  • Finish: Plain (uncoated) finish for straightforward compatibility in diverse environments.
  • Size: 5/16-18 thread, 4 1/2 inches long.
  • Head Type: Hex head for easy driving with standard wrenches.
  • Designation: SAE Grade 5 – reliable, mid-to-high strength fastener for critical assemblies.
  • Origin: Made in the USA.
  • Applications: Suitable for heavy equipment, industrial machinery, automotive assemblies, and general construction projects.

Compatible with standard 5/16-18 nuts and mating components. Choose these plain-finish hex head cap screws for dependable, uniform performance in demanding fastening jobs where strength and domestic manufacture matter.

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