Home > Socket Products > Socket Cap Screws > Inch Socket Cap Screws > Socket Head Cap Screws - Inch >

5/16-18 X 2-1/2 Socket Cap Screw Alloy Steel Zinc USA [100 per Box]
5/16-18 X 2-1/2 Socket Head Cap Screws
5/16-18 X 2-1/2 Socket Head Cap Screws
  


Availability: Contact us for price & availability
Product Code: SC51CX2.5ZD

Description
 
5/16-18 X 2-1/2 SOCKET HEAD CAP SCREW ALLOY STEEL ELECTRO-ZINC USA / CLASS 3A THREAD / PER ASME B18.3-2012 / 44138Z / 3140CS

American Sockets brand, made in the USA.
Product Details


  • Socket Head Cap Screw
  • Size: 5/16-18
  • Length: 2-1/2
  • Class 3A Thread
  • Material: Alloy Steel: Carbon: 0.31% minimum; Phosphorus: 0.040% maximum; Sulfur: 0.045% maximum.
    Also, one or more of the following to meet strength requirement - chromium, nickel, molybdenum or vanadium
  • Plating/Finish: Electro-Zinc & Clear
  • Heat Treatment: Heat treated by oil quenching from above the transformation temperature
    then tempered at a temperature not lower than 650°F.
  • Per ASME B18.3-2012
  • Made in the USA
  • Max Body Diameter: 0.3125
  • Min Body Diameter: 0.3053
  • Max Head Diameter: 0.469
  • Min Head Diameter: 0.457
  • Max Head Height: 0.312
  • Min Head Height: 0.306
  • Max Top Chamfer or Radius: 0.033
  • Nom. Hex Socket Size: 1/4
  • Max Fillet Juncture Diam. at Bearing Surface: 0.347
  • Min Fillet Diam. at Bearing Surface: 0.329
  • Min Key Engagement: 0.151
  • Min Wall Thickness: 0.119
  • Max Bottom Chamfer or Radius: 0.01
  • Length Tolerance: -0.04
  • Hardness: Rockwell C39 minimum
  • Tensile Strength: 180,000 psi. minimum
  • Yield Strength: 162,000 psi. minimum
  • Free Manufacturer's Certifications Available
  • P/N: 44138Z
  • P/N: 3140CS
  • Weight per Box:5.845 lb
  • Weight per Piece:0.05845 lb