#370411

Diameter Thread Threads Length Grade Finish Weight
0.3125 (5/16) N/A 24 GR 2 Zinc Clear Trivalent .014
Diameter 0.3125 (5/16)
Thread 24
Length
Grade GR 2
Finish Zinc Clear Trivalent
Weight .014

  • GR 2
  • Carbon Steel


Hex Flange Nuts resemble Hex Flange Bolts. Likewise, Hex Flange Nuts, or Frame Bolt Nuts, have a washer attached to the head of the hex body. These free-spinning nuts incorporate a large bearing face to eliminate the need for washers. They are often found in truck-frame assemblies. Earnest offers Hex Flange Nuts in a Grade 8 to provide strength and toughness.

Hex Flange Nut – Grade 8

  • Free-spinning nut incorporates a large bearing face to eliminate the need for a washer
  • Used in truck-frame assemblies
  • Rockwell Hardness:
  • 1/4to 5/8”: Rc 24/33
  • Over 5/8” to 1”: Rc 26/34
  • Over 1”: Rc 26/36
  • Proof load strength of 150,000 psi min
  • Sizes range from 1/4” to 3/4
  • Meets IFI 145 standards
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