Spiralock V-Band Clamp Nut

Spiralock introduces its Spiralock V-Band Clamp Nut which features a unique internal thread to withstand extreme turbocharger heat and vibration.

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To keep turbochargers sealed and prevent exhaust leaks, truck and auto engineers are turning to a the V-Band Clamp Nut called Spiralock, developed by Spiralock Corp.

  • Unique internal thread form withstands extreme turbocharger heat and vibration, while reducing cost, assembly, and warranty issues
  • 30-degree wedge ramp at root of thread mates with standard 60-degree male thread fasteners
  • Wedge ramp allows bolt to spin freely relative to female threads until clamp load is applied
  • Crests of standard male thread are drawn tightly against wedge ramp, eliminating radial clearances to create a continuous spiral line contact along entire length of thread engagement
  • Continuous line contact spreads clamp force more evenly over all engaged threads, improving resistance to vibrational loosening, axial-torsional loading, joint fatigue and temperature extremes
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