Imperial 17684 Sae Hex Head Cap Screws, Grade 8, 7/16x4, Pkg/25

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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/25
SKU: 42624492
MFG: 17684
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DETAILS

DESCRIPTION

Highlights:

  • Size: 7/16X4
  • Thread pitch: 7/16-20 UNF
  • Material: medium carbon alloy steel
  • Tensile Strength: 150,000 psi minimum
  • Grade 8 Cap Screws comply with SAE J429, ANSI/ASME B18.2.1 hex cap screws
  • Imperial's zinc-yellow-dichromate plating provides the extra corrosion protection not found in regular zinc plated fasteners
  • Pack of 25

Technical Data:

  • 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

FEATURES

MFR: 17684
SKU: 42624492
Brand: Imperial

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