5/16-18 X 2-1/4" Mil-Spec Socket Head Cap Screws | Alloy Steel Cadmium Yellow | MS16997-85 (1 / Pkg.)
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5/16-18 X 2-1/4" Mil-Spec Socket Head Cap Screws | Alloy Steel Cadmium Yellow | MS16997-85 (1 / Pkg.)

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5/16-18 X 2-1/4" Mil-Spec Socket Head Cap Screws | Alloy Steel Cadmium Yellow | MS16997-85 (50 / Pkg.)

Mutual ScrewSKU: MS16997-85KC
Price:
$340.37 $394.83per 50( $6.81 each)
Pieces 50
Measurement type Inch
Thread size 5/16-18
Diameter 5/16
Length 2-1/4
Material Alloy Steel
Finish Cadmium Yellow
Drive Hex Socket
Head style Socket
Threads per inch 18
Weight 3.0 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

Specs

  • Product Type: Socket head cap screw
  • Finish: Cadmium yellow
  • Thread Size: 5/16-18 UNC
  • Length: 2-1/4 inches
  • Standard: MS16997
  • Packaging: 50 per package

Features

  • Cadmium yellow finish provides high visibility for quick inspection and corrosion resistance in metalwork environments
  • Socket drive enables flush seating and high torque transfer, reducing loosening risk in vibration-prone assemblies
  • Mil-Spec designation and MS16997 standard support consistent dimensions and mating with common hardware
  • 5/16-18 UNC thread aligns with widely used nuts and threaded components
  • 2-1/4 inch length covers mid-span fastening needs in diverse applications

Physical

  • Material: Steel
  • Finish: Cadmium yellow plated
  • Head style: Socket head cap
  • Drive type: Socket
  • Thread: 5/16-18 UNC
  • Length: 2-1/4 inches

Industry Used In

  • Aerospace, automotive, machinery, and general assemblies requiring durable, standardized fasteners
  • Metal fabrication and equipment maintenance where color-coded fasteners enable quick visual inspection
  • Industrial equipment manufacturing and repair tasks that demand high torque transfer and flush seating

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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