S-RTM3-0ZI

All Metal, RT® Free-Running Locknuts

S-RTM3-0ZI

All Metal, RT® Free-Running Locknuts

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.

Specifications

Thread Code
RTM3
Thread Size
M3 x 0.5
Thread Specification
Modified thread form on loaded flank. Will accept a maximum material 6g screw.
Fastener Material
Carbon Steel
Standard Finish
Zinc plus Clear Chromate
For Use in Sheet Hardness
HRB 80 / HB 150 or less
Product Category
All Metal, RT® Free-Running Locknuts
CAD Supplier
PennEngineering® (PEM®)
CADPartID
103687
Application Type
Aerospace, Automotive, Automotive Electronics, Commercial Vehicles, Consumer Electronics, Datacom, Electric Vehicle Chargers, Electric Vehicles, Electronics, Industrial, Manufacturing & Sheet Metal Fabrication, Marine, Medical, Renewable Energy, Telecom
Base Panel Material
Aluminum, Steel
Brand
PEM
Fastener Characteristics
Locking, Threaded Internal
Industry
Automotive, Automotive Electronics, Datacom & Telecom, Defense, Electric Vehicles, Industrial & Commercial, Medical
PEM Product Family
CL, LN
Product Type
Nuts
Technology Type
Self-Clinching
Unit (Metric/Unified)
Metric
A Shank Max
0.77mm
E ± 0.25_mm
6.35mm
Hole Size in Sheet + 0.08_mm
4.22mm
Min. Dist. Hole C/L to Edge_mm
4.8mm
C Max._mm
4.2mm
Rec. Min. Sheet Thickness_mm
0.8mm
T ± 0.25_mm
1.5mm

Resources

Installation & Performance Data

cl-s-ss-nuts-metric
TYPE THREAD CODE SHANK CODE TEST SHEET MATERIAL INSTALLATION (kN) PUSHOUT (N) TORQUE-OUT (N•m)
S RTM3 0 5052-H34 Aluminum 6.7-8.9 280 0.9
S RTM3 1 5052-H34 Aluminum 6.7-8.9 400 1.13
S RTM3 2 5052-H34 Aluminum 6.7-8.9 750 1.47
S RTM3 0 Cold-Rolled Steel 11.2-15.6 470 1.47
S RTM3 1 Cold-Rolled Steel 11.2-15.6 550 1.7
S RTM3 2 Cold-Rolled Steel 11.2-15.6 1010 2.03
ln-s-nuts-metric
TYPE THREAD CODE SHANK CODE TEST SHEET MATERIAL INSTALLATION (kN) PUSHOUT (N) TORQUE-OUT (N•m)
S RTM3 0 5052-H34 Aluminum 6.7-8.9 280 0.9
S RTM3 1 5052-H34 Aluminum 6.7-8.9 400 1.13
S RTM3 2 5052-H34 Aluminum 6.7-8.9 750 1.47
S RTM3 0 Cold-Rolled Steel 11.2-15.6 470 1.47
S RTM3 1 Cold-Rolled Steel 11.2-15.6 550 1.7
S RTM3 2 Cold-Rolled Steel 11.2-15.6 1010 2.03

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