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  • Meets torque requirements for IFI 100/107 Grade B (unified) and ANSI B18.16.1M (metric) locknuts.
  • Type HN and HNL are for use in sheet hardness HRB 60 or less on the Rockwell “B” scale.
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Item #

Thread Size

Type

Min. Sheet Thickness

Hole Size in Sheet + 0.005 - 0.000

Material Finish

CAD

N/A .250-20 (1/4-20) N/A Self-Locking HNL N/A .058 in N/A .344 in N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless plus sealant/lubricant N/A
N/A .313-18 (5/16-18) N/A Self-Locking HNL N/A .058 in N/A .413 in N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless plus sealant/lubricant N/A
N/A .375-16 (3/8-16) N/A Self-Locking HNL N/A .058 in N/A .500 in N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless plus sealant/lubricant N/A
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