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3 mm Air Micro Die Grinder Kit Mini Pencil Polishing Rotary Cutting Tool A-MI40

For some precise work a micro air die grinder A-MI40 is an ideal tool. It is so small and light that it is very easy to operate. It is a straight high-performance grinder with a precise and firm working interchangeable tips fixing in a 3 mm collet chuck. The device is also equipped with an easy to handle roll type valve which allows adjusting the speed to the performed operation. There is also a built-in silencer for quiet work as well as ultra precision bearings support the rotating parts for perfect work. The housing is made of metal so it is resistant to damage. Low weight, small size and innovative technologies used while designing it make the tool perfect and precise.


  • Micro Air Grinder Kit (65000 rpm);
  • It can handle 1/8″ and 3 mm capacity collet chunk;
  • Easy-to-handle roll type throttle for adjustment of speed;
  • Built-in silencer for quiet operation;
  • Ultra precision bearing support the rotating parts for true running;
  • Contents: 10 pcs 3 mm (1/8″), 1 pc Shank Stone, 1 pc Mini Oiler,1 pc Oil Pot, 2 pc Key Wrench



  • Tool model: A-MI40
  • Free speed: 65 000 rpm
  • Collet: 3 mm
  • Air consumption: 60-150 l/min
  • Overall length: 132 mm
  • Weight: 0.23 kg

Rating: 4.8 (96%)
Based on: 10 ratings

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