Flexible Shaft Grinder Rotary Tool with Versatile Handpieces & Burr Kits | GM150 Ultra

Flexible Shaft Grinder Handpiece Options

Upgrade your GM150 Ultra rotary tool with the right handpiece to match your workflow—whether you're carving wood, polishing soft metals, or shaping plastics. Choose between chuck or collet styles for optimal grip and bit compatibility.

HC-110 Chuck Style Handpiece

  • Designed with grooved ergonomic grip for extended use

  • Features a 3-jaw chuck for fast accessory changes (fits up to 4mm / 1/8” shank)

  • Ideal for quick bit replacement during carving or grinding tasks

Included with HC-110 version:

  • Rotary Handpiece × 1

  • Tool set for bit installation/removal × 1

A BRAVOPRODIGY rotary handpiece displayed with six black collets, a black wrench marked "10", and a silver chuck key.

HC-130 Collet Style Handpiece

  • Supports multiple accessory sizes: 2.35 mm (3/32"), 3 mm, 3.175 mm (1/8"), 6 mm and 6.35 mm (1/4")

  • Includes metric collet set for better bit stability during precision work

  • Compatible with a wide range of carving and polishing burrs

Included with HC-130 version:

  • Rotary Handpiece × 1

  • Tool set for bit installation/removal × 1

  • Collet Set × 1
    2.35 mm (3/32"), 3 mm, 3.175 mm (1/8"), 6 mm and 6.35 mm (1/4")each

 

Tungsten Carbide Rotary Burr Set (Optional)

Boost cutting efficiency with our GM150 Ultra Standard Tungsten Carbide Burr Set—designed exclusively for flexible shaft grinder applications.

  • Type: Double-cut rotary burrs

  • Material: Tungsten Carbide

  • Shank Size: 3mm

  • Recommended For: Gold, silver, copper, aluminum, iron, and wood

Not compatible with CNC engravers. Bits for flex shaft grinders and CNC machines are not interchangeable.

Type: Double cut

Material: Tungsten Carbide

Size: 3mm shank

Suitable for carving on gold, silver, copper, aluminum, iron, and wood. 

Compatible Rotary Burr Brands

Use trusted third-party burrs to expand your GM150 Ultra’s potential:

Kutzall Tools - Rotary Burrs, Shaping Wheels and Hand Rasps

Kutzall Rotary Burrs

Premium shaping and carving tools made with long-lasting tungsten carbide. Available in various shapes such as flame, sphere, and ball nose.
🔗 Kutzall Website

Saburrtooth Burrs

Perfect for wood and soft material carving, Saburrtooth offers aggressive, easy-to-clean rotary burrs ideal for power users.
🔗 Saburrtooth Website