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7/8-9 X 4 Socket Cap Screw Alloy Steel Black Oxide DFAR [10 per Box]
7/8-9 X 4 Socket Head Cap Screws
7/8-9 X 4 Socket Head Cap Screws
  
Price per Box: $116.30 / Quantity Discounts Available
Price per Piece: $11.62953
Boxes Available: 19

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Availability: Stock item. Usually ships in 1 to 2 days
Product Code: SC78CX4D
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Description
 
7/8-9 X 4 SOCKET HEAD CAP SCREW ALLOY STEEL BLACK OXIDE DFAR / CLASS 3A THREAD / PER ASME B18.3-2012 / 8764CSP

American Sockets brand, made in the USA.
Product Details


  • Socket Head Cap Screw
  • Size: 7/8-9
  • Length: 4
  • 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: Black Oxide
  • 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
  • DFAR Compliant
  • Max Body Diameter: 0.875
  • Min Body Diameter: 0.8647
  • Max Head Diameter: 1.312
  • Min Head Diameter: 1.293
  • Max Head Height: 0.875
  • Min Head Height: 0.864
  • Max Top Chamfer or Radius: 0.1
  • Nom. Hex Socket Size: 3/4
  • Max Fillet Juncture Diam. at Bearing Surface: 0.963
  • Min Fillet Diam. at Bearing Surface: 0.932
  • Min Key Engagement: 0.432
  • Min Wall Thickness: 0.333
  • Max Bottom Chamfer or Radius: 0.02
  • Length Tolerance: -0.14
  • Hardness: Rockwell C37 minimum
  • Tensile Strength: 170,000 psi. minimum
  • Yield Strength: 153,000 psi. minimum
  • Free Manufacturer's Certifications Available
  • P/N: 8764CSP
  • Weight per Box:8.35 lb
  • Weight per Piece:0.835 lb