Heavy Hex Jam Nuts -- Series H21
from Spirol International Corporation

A jam nut is typically 2/3 the thickness of it ’s respective hex nut series counterpart. Jam nuts are tightened against the work surface and a heavy hex or fnished hex nut is secured against the jam nut to ensure that the nut does not become loose. Series H21 heavy hex jam nuts are for use... [See More]

  • Finish: Nickel Plated (optional feature); Zinc Chromate (optional feature); Passivated
  • Size: 1/4"; 5/16"; 3/8"; 7/16"; 1/2"; 5/8"; 3/4"; 7/8"; 1"; 1 1/8"; 1 1/4"; 9/16"
  • Type: Jam Nut
  • Material: Aluminum (optional feature); Bronze (optional feature); Stainless Steel (optional feature)
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