Products

Nylok® Torq-Patch® Locknut

Prevailing Torque Locking Element

  • Defense
  • Automotive
Nylok® Torq-Patch® Locknut

Nylok® Torq-Patch® Locknut is a self-locking element comprised of nylon permanently bonded into the threads of a nut. When the Nylok® Torq-Patch® Locknut is engaged it creates a wedge between the nut and mating part compressing the nylon and creating metal to metal contact opposite the patch. This metal to metal contact results in a positive resistance to vibration and loosening. Since nylon has great memory characteristics, this locking element can be reused several times.

 

Advantages
  • Reusable/adjustable
  • Exceptional vibration resistance
  • Resistant to lubricants, fuel, hydraulic fluids and most commercial solvents
  • Can be applied to any size or thread configuration larger than a M6/1/4” nut
  • Bonds to a broad range of fastener finishes
  • Complies with or exceeds IFI, DIN and major OEM specifications
  • Provides a seal for threads
  • Parts are ready for assembly
  • Precise thread coverage in every part
  • Is not affected by high humidity conditions
  • Environmentally friendly/non-toxic
  • 180° (standard) or 360° (optional) radial coverage
  • Torque can be adjusted to meet specific applications
  • Cost effective
  • No metal removal to reduce fastener strength or performance
Technical Data
  • Color — blue/red (special colors available upon request)
  • Dry Wedge — immediate locking
  • Temperature Range -56°C (-70°F) to +121°C (+250°F)
  • Shelf-Life indefinite
  • NYLOK® TORQ-PATCH® locknut is also referred to as TUF-LOK®
Performance Results
  • Prevailing-On Torque 5.0 – 10.0 Nm
  • First Removal Prevailing-Off Torque (without preload) min. 2.5 – 5.0 Nm
  • Fifth Removal Prevailing-Off Torque min. 1.8 – 2.8 Nm
Manufacturing Specifications


  • GM
    • GM6189P
    • GMW16722

  • MILITARY
    • MIL - DTL - 18240F
    • NASM25027


  • IFI
    • IFI - 100/107
    • IFI - 155
    • IFI - 555
    • IFI - 560
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