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A. It restores M22 x 1.5 NOx sensor hole threads in exhaust systems on light and heavy diesel engines.
A. It re-cuts damaged threads, allowing a new sensor to be fitted without changing the expensive exhaust component.
A. It has a front alignment guide and a compact body, allowing correct angle entry and operation in tight spaces.
A. It has a 13 mm hex drive, length about 50 mm and uses 6 tensioning grooves for cutting.
A. Brands include Audi, VW, Porsche, Opel, Mercedes-Benz, BMW, General Motors, MAN and others.
A. HSCO high-speed cobalt steel offers durability and toughness for cutting hardened or heat-affected threads.
A. They should use lubricant to reduce friction, improve cutting quality and extend tool life.
A. Start the tool gently by hand, ensure alignment guide sits square and only apply spanner force once engagement feels correct.
A. Brush out swarf from grooves, wipe the tool clean and lightly oil it to prevent corrosion.
A. It is specifically sized and guided for NOx sensor holes, reducing the chance of misalignment and damage."
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