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Roto-Scarfing Units

The patented Addison Roto-Scarf is the highest quality scarfing unit available today, providing an ultra-smooth finish and long running cut. The extended wear, resharpenable carbide cutting tool requires a change after six to eight hours, instead of every 20 minutes.


The Roto-Scarfing Unit removes excess material from weld seam on outside of tube.


  • Rotary Scarfing Units utilize oscillating cutting insert sized to match tube diameter.
  • The Rotary Scarfing Unit's carbide cutting insert has outstanding run time between sharpening, and can be resharpened numerous times.
  • Adjustable tube support roll, cross-center, and cutting depth settings.
  • Manual cutting tool engagement and automatic disengagement on RS-1000 unit.
  • RS-5000 and RS-7000 feature air-actuated tool engagement and disengagement tied to mill run relay.
  • Horizontal adjustment for proper cutting alignment.

Rotary Scarfing Units

Model Tube Range
RS-1000.500" - 3.000" Dia.
RS-1000 Ext..750" - 3.500" Dia.
RS-50001.500" - 5.500" Dia.
RS-70001.500" - 7.000" Dia.

Options (not all options available on all models)

  • Support roller assembly.
  • Air actuation.
  • Manual or electrical operation.

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