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PEM® S-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 more
PEM® S-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.
Unit of Measure
Thread Size x Pitch |
N/A M6 x 1 |
Thread Code |
N/A RTM6 |
Shank Code |
N/A 0 |
A (Shank) Max. |
N/A
0.89 mm
Loading zoom |
Rec. Min. Sheet Thickness1 | N/A 0.92 mm |
Hole Size in Sheet + 0.08 |
N/A 8.75 mm |
C Max. |
N/A 8.73 mm |
E ± 0.25 |
N/A 11.18 mm |
T ± 0.25 |
N/A 4.08 mm |
Min. Dist. Hole C/L to Edge |
N/A 8.6 mm |
For Use in Sheet Hardness |
N/A HRB 80 / HB 150 or less |
Thread Specification |
N/A Modified thread form on loaded flank. Will accept a maximum material 6g screw. |
Fastener Material |
N/A Hardened Carbon Steel |
Standard Finish |
N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless |
CAD Supplier |
N/A PennEngineering® (PEM®) |
- 1 For maximum performance, we recommend that you use the maximum shank length for your sheet thickness.