1/2-20 18/8 (A2) SS Hex Jam Nut COATED WITH DRI-LOC 2045 AS PER DWG#6048213-XXX

#341113

1/2-20 18/8 (A2) SS Hex Jam Nut COATED WITH DRI-LOC 2045 AS PER DWG#6048213-XXX
Diameter Thread Threads Length Grade Finish Weight
0.5 (1/2) N/A 20 .0288
Diameter 0.5 (1/2)
Thread 20
Length
Grade
Finish
Weight .0288

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Attributes

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Originally developed to be used with two nuts on top of each other to “jam” the bolt, Thin Nuts, or Half Nuts, are about half the thickness of Hex Nuts. With engineering advancements, the nuts’ function has changed. Half Nuts are now applied to low-clearance applications that do not fit a normal Hex Nuts.

Hex Ham Nut – Grade 2

  • Half the thickness of the Hex Nut
  • Used for low-clearance applications
  • Sizes range for 1/4” to 3”
  • Meets ANSI B18.2.2 standards

    • Hex Jam Nut – Grade 5

  • Half the thickness of the Hex Nut
  • Used for low-clearance applications
  • Available in lefty thread
  • Rockwell hardness of Rc 32 max
  • Sizes range from 1 5/8” to 3”
  • Meet ASME B18.2.2 Standards

    • Hex Jam Nut – Grade 8

  • Half the thickness of the Hex Nut
  • Used for low-clearance applications
  • Rockwell Hardness:
  • 1/4” to 5/8”: Rc 24/32
  • 5/8” to 1”: Rc 26/34
  • Over 1”: Rc 26/36
  • Proof load of 120,000 psi min
  • Sizes range from 1/4” to 3”
  • Meets ANSI B18.2.2 standards

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