• ST-77332M SMERIGLIATRICE PNEUMATICA DIRITTA ATTACCO ARIA 1/4″ Dinamitek 1
  • ST-77332M SMERIGLIATRICE PNEUMATICA DIRITTA ATTACCO ARIA 1/4″ Dinamitek 2

ST-77332M 1/4″ STRAIGHT AIR GRINDER SUMAKE

Grind, deburr and finish with maximum stability and power thanks to the Sumake ST-77332M pneumatic straight grinder.

The Sumake ST-77332M pneumatic straight die grinder is a professional, high-speed air tool designed for precision machining and heavy-duty deburring of metal components. Equipped with a 0.5 HP motor, it has a no-load speed of 20,000 rpm and weighs just 0.5 kg , with an overall length of 170 mm.

  • 2 front bearings: reinforced structure on the spindle shaft to ensure maximum stability of the cutter and reduce vibrations during removal.
  • Powered by a 0.5 HP motor, it delivers the torque needed to handle continuous deburring and grinding jobs with ease.
  • 6mm collet with integrated regulator: Supplied as standard with 6mm collet (3mm collet on request) and equipped with speed regulator.
  • Lever start and front exhaust: convenient safety lever start system and front-directed air exhaust.
Shipping cost: Free for
144,52 €
Tax included

118,46 € Tax excluded

Quantity
Last items in stock

Technical Features and Advantages of the Sumake ST-77332M Straight Grinder

Developed for reliability and precision in machine shops, carpentry shops, and mold making, the Sumake ST-77332M pneumatic straight grinder combines compact dimensions (a body diameter of just 36 mm) with a high-performance mechanism. Double front bearings ensure maximum concentricity of rotation of abrasive grinders and carbide rotary burrs.

Operational Stability and RPM Control

  • Double Front Bearing: The 2-bearing configuration on the head protects the spindle from radial stress, increasing grinding accuracy and extending tool life.
  • Integrated Speed Regulator: Allows the operator to calibrate the 20,000 rpm based on the material being worked and the diameter of the tool used.
  • Collet and Interchangeability: Comes standard with 6mm tool holder collet, with the option to fit the optional 3mm collet for ultra-precision work.

Air Supply Specifications

The tool requires an air consumption of 280 l/min with a 1/4" threaded air connection and a recommended supply hose of 8 mm internal diameter.

Detailed Technical Data Sheet

  • Item Code (SKU): ST-77332M
  • Manufacturer / Brand: Sumake
  • Type: High-speed pneumatic straight die grinder (Die grinder)
  • No-load speed: 20,000 rpm
  • Engine power: 0.5 HP
  • Head bearings: 2 front support bearings
  • Diameter of supplied pliers: 6 mm
  • Cruise control: Present
  • Start system: Lever
  • Air exhaust type: Front
  • Overall length (L): 170 mm
  • Body diameter: 36 mm
  • Tool weight: 0.5 kg
  • Air connection: 1/4”
  • Recommended tube diameter: 8 mm
  • Air consumption: 280 l/min


ST-77332M

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