Imperial 21160 Hex Head Cap Screw, Grade 5, 3/8x4, Pkg/50

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Conforms to SAE Grade 5 physical and mechanical specifications, Zinc plated for corrosion resistance, Size: 3/8X4, Thread pitch: 3/8-24 UNF, Pkg/50
SKU: 42618741
MFG: 21160
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DETAILS

DESCRIPTION

Highlights:

  • Size: 3/8X4
  • Thread pitch: 3/8-24 UNF
  • Conforms to SAE Grade 5 physical and mechanical specifications
  • Zinc plated for corrosion resistance
  • Pack of 50

Technical Data:

  • Material and Mechanical Properties of SAE J429
  • Dimensions: ANSI/ASME B18.2.1 Hex Head Cap Screws
  • Tensile: 1/4" - 1" Nominal Diameter 120,000 psi (minimum) over 1" Nominal Diameter 105,000 psi (minimum)
  • Proof Load: 1/4" - 1" Nominal Diameter 85,000 psi; over 1" Nominal Diameter 74,000 psi
  • Threads: Radius Root Class 2A to ANSI/ASME B1.1
  • Hardness: 1/4" - 1" Nominal Diameter Rockwell C25-C34; over 1" Nominal Diameter C19-C30
  • Decarburation: SAE J121
  • Discontinuities: SAE J1061

 Rule of thumb to figure bolt thread length:

  • For bolts under 6": Twice the bolt diameter plus a 1/4"
  • For bolts over 6": Twice the bolt diameter plus a 1/2"
  • This gives you the approximate bolt thread length available

FEATURES

MFR: 21160
SKU: 42618741
Brand: Imperial

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