• ONE-LOK is designed to give you leak-proof, secure connections that can withstand high pressure, vibration and vacuum applications. To this end, ONE-LOK tube fittings are made up of three parts that are precision engineered and machined: body, ferrule and nut.

  • Ham-Let's ONE-LOK tube fitting is designed for use in control systems, process and instrumentation devices and in industrial equipment used in various industries such as:

  • Pulp & paper mills
  • Petroleum process plants
  • Chemical process plants
  • Chromatography
  • Power generation plants

  • ONE-LOK offers you a simple, high quality tube fitting with excellent performance and reliability.

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