Imperial 16674 Hex Head Cap Screw, Grade 8, 7/16X1-1/2, Pkg/50

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Imperial's zinc-yellow-dichromate plating provides the extra corrosion protection not found in regular zinc plated fasteners, Material: Medium Carbon Alloy Steel, Finish: Zinc Yellow, Pkg/50
SKU: 42590181
MFG: 16674
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  • Size: 7/16X1-1/2"
  • Thread pitch: 7/16-14 UNC
  • Grade 8 Cap Screws comply with SAE J429, ANSI/ASME B18.2.1 hex cap screws
  • For your toughest fastening applications, use Grade 8 fasteners every time
  • Imperial's zinc; yellow dichromate plating provides the extra corrosion protection not found in regular zinc plating
  • For maximum holding power, always use a balanced assembly of Grade 8 components; cap screw, hex nut, flat washer, lock washer
  • Pack of 50

Technical Data:

  • Material: Medium Carbon Alloy Steel
  • Tensile: 150,000 psi minimum.
  • Hardness: Rockwell Hardness C33-C39
  • Tempering Temperature: 800° F. (minimum).
  • Finish: Zinc Yellow.
  • Decarburization: Meets SAE J121
  • Discontinuities: Meets SAE J1061
  • Threads: UNRF and UNRC Radius Root Class 2A to ANSI/ASME B1.1

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


MFR: 16674
SKU: 42590181
Brand: Imperial