Socket Head Cap Screw
BRIGHTON BEST Socket Head Cap Screw - Package Qty: 50   Key Size: 5/16   Length Under Head: 4   Diameter & Threads Per Inch: 3/8-16 UNC

Socket Head Cap Screw

Item #: 71-405-497
System of Measurement: Inch
Thread Size: 3/8"-16
Length Under Head: 4"

Master Catalog Listing

Only sold in increments of 50.

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  • Critical application where high tensile strength is required 18,000 PSI min. (0 - 1/2") 17,000 PSI min. (over 1/2").
  • Applications requirung high temperature resistance, corrosion resistance and other special characteristics, special materials can be formed with the same process to provide the same benefits.


  • Alloy steel for optimum tensile, impact strength and fatigue strength.
  • Precision 3A threads for greater clamping force.
  • UNC: coarse thread series
  • UNF: fine thread series

Technical Data

Measurement And Testing Capabilities Include:
  • High tensile strength fasteners.
  • Proof load.
  • Socket broach depth.
  • Thread major diameter.
  • Angles and radii.
  • Rockwell hardness.
  • Thread functional diameter.
  • Linear measurements.
  • Diameter measurements.


All Items Sold In Package Quantity Only.
BRIGHTON BEST Heat Treated Alloy Steel Socket Head Cap Screw
Product Specifications
System of Measurement Inch
Thread Size 3/8"-16
Length Under Head 4"
Material Alloy Steel
No. of Pieces in Pack 50
Type Socket Head Cap Screw
Diameter & Threads Per Inch 3/8"-16 UNC
Drive Size 5/16"
Finish Coating Plain
Head Type Socket
Key Size 5/16"
Prop. 65 Yes
Series 1960 Series
Thread Standard UNC
Tool Material Heat Treated Alloy Steel
Weight 0.1315 lbs.
Country of Origin GENERIC/MIXED BIN
Prop 65 Warning Many metalworking products do contain metals that are included in the latest Prop 65 warning. Exposure to the elements can be harmful. May cause cancer and reproductive harm.