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  • All Metal, S-RT Free-Running Locknuts
  • All Metal, S-RT Free-Running Locknuts 2
PEM® RT® free-running locknuts are free-running until clamp load is induced. A modified thread angle on the loaded flank provides the vibration resistant locking feature.
  • Screw turns freely until a clamp load is applied.
  • Resistant to vibrational loosening.
  • Back side of panel is flush or sub-flush for screw installation.
  • Locking feature reusability is not affected by number of on/off cycles.
  • Uses same mounting hole and installation tooling as standard S™ nut fasteners found in PEM® Bulletin CL.
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Part #

Thread Size

A (Shank) Max.

Hole Size in Sheet + .003 - .000

E ± .010

Fastener Material

Standard Finish

Optional Finish

CAD

N/A .112-40 (#4-40) N/A .030 in N/A .166 in N/A .250 in N/A Hardened Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A N/A CAD Icon (for items table)
N/A .138-32 (#6-32) N/A .030 in N/A .1875 in N/A .280 in N/A Hardened Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A N/A CAD Icon (for items table)
N/A .164-32 (#8-32) N/A .030 in N/A .213 in N/A .310 in N/A Hardened Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A N/A CAD Icon (for items table)
N/A .190-32 (#10-32) N/A .030 in N/A .250 in N/A .340 in N/A Hardened Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A N/A CAD Icon (for items table)
N/A .250-20 (1/4-20) N/A .045 in N/A .344 in N/A .440 in N/A Hardened Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A N/A CAD Icon (for items table)
N/A .112-40 (#4-40) N/A 0.038 in N/A .166 in N/A .250 in N/A Hardened Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A N/A CAD Icon (for items table)
N/A .138-32 (#6-32) N/A 0.038 in N/A .1875 in N/A .280 in N/A Hardened Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A N/A CAD Icon (for items table)
N/A .164-32 (#8-32) N/A 0.038 in N/A .213 in N/A .310 in N/A Hardened Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A N/A CAD Icon (for items table)
N/A .190-32 (#10-32) N/A 0.038 in N/A .250 in N/A .340 in N/A Hardened Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A N/A CAD Icon (for items table)
N/A .250-20 (1/4-20) N/A .054 in N/A .344 in N/A .440 in N/A Hardened Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A N/A CAD Icon (for items table)
N/A .313-18 (5/16-18) N/A .054 in N/A .413 in N/A .500 in N/A Hardened Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A N/A CAD Icon (for items table)
N/A .112-40 (#4-40) N/A .054 in N/A .166 in N/A .250 in N/A Hardened Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A N/A CAD Icon (for items table)
N/A .138-32 (#6-32) N/A .054 in N/A .1875 in N/A .280 in N/A Hardened Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A N/A CAD Icon (for items table)
N/A .164-32 (#8-32) N/A .054 in N/A .213 in N/A .310 in N/A Hardened Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A N/A CAD Icon (for items table)
N/A .190-32 (#10-32) N/A .054 in N/A .250 in N/A .340 in N/A Hardened Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A N/A CAD Icon (for items table)
N/A .250-20 (1/4-20) N/A .087 in N/A .344 in N/A .440 in N/A Hardened Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A N/A CAD Icon (for items table)
N/A .313-18 (5/16-18) N/A .087 in N/A .413 in N/A .500 in N/A Hardened Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A N/A CAD Icon (for items table)
N/A .112-40 (#4-40) N/A .030 in N/A .166 in N/A .250 in N/A Hardened Carbon Steel N/A N/A Zinc plated per ASTM B633, SC1 (5µm), Type II, yellow N/A CAD Icon (for items table)
N/A .138-32 (#6-32) N/A .030 in N/A .1875 in N/A .280 in N/A Hardened Carbon Steel N/A N/A Zinc plated per ASTM B633, SC1 (5µm), Type II, yellow N/A CAD Icon (for items table)
N/A .164-32 (#8-32) N/A .030 in N/A .213 in N/A .310 in N/A Hardened Carbon Steel N/A N/A Zinc plated per ASTM B633, SC1 (5µm), Type II, yellow N/A CAD Icon (for items table)
N/A .190-32 (#10-32) N/A .030 in N/A .250 in N/A .340 in N/A Hardened Carbon Steel N/A N/A Zinc plated per ASTM B633, SC1 (5µm), Type II, yellow N/A CAD Icon (for items table)
N/A .250-20 (1/4-20) N/A .045 in N/A .344 in N/A .440 in N/A Hardened Carbon Steel N/A N/A Zinc plated per ASTM B633, SC1 (5µm), Type II, yellow N/A CAD Icon (for items table)
N/A .112-40 (#4-40) N/A 0.038 in N/A .166 in N/A .250 in N/A Hardened Carbon Steel N/A N/A Zinc plated per ASTM B633, SC1 (5µm), Type II, yellow N/A CAD Icon (for items table)
N/A .138-32 (#6-32) N/A 0.038 in N/A .1875 in N/A .280 in N/A Hardened Carbon Steel N/A N/A Zinc plated per ASTM B633, SC1 (5µm), Type II, yellow N/A CAD Icon (for items table)
N/A .164-32 (#8-32) N/A 0.038 in N/A .213 in N/A .310 in N/A Hardened Carbon Steel N/A N/A Zinc plated per ASTM B633, SC1 (5µm), Type II, yellow N/A CAD Icon (for items table)
1 - 25 of 34 | Results Per Page | View | Unit of Measure
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