Description
Green/Red Stump Grinding Fixture
The Green/Red Stump Grinding Fixture is a precision sharpening attachment designed specifically for sharpening Green and Red style stump grinder teeth. Built for professional stump grinding operations, sharpening businesses, and tree service companies, this fixture helps restore worn carbide teeth quickly and accurately while extending tooth life.
Designed to mount directly to compatible Thorvie sharpening systems, this fixture provides fast, repeatable sharpening results with minimal setup time.
Designed for Green & Red Circular Stump Grinder Teeth
Green and Red style stump grinding teeth feature a unique circular design that allows the cutter to be rotated three times before resharpening or replacement.
These carbide teeth can typically be:
- 4 tooth sizes available: 500, 700, 900, 1100 series
- Rotated up to three times
- Exposed to fresh cutting edges
- Reused before replacement is necessary
Proper sharpening helps maximize the life and value of each tooth while maintaining cutting efficiency.
Sharpens Both the Hollow Face & Outer Surface
The fixture is designed to sharpen both critical cutting surfaces of Green and Red stump grinder teeth:
- Hollow face
- Outer cutting surface
Maintaining both surfaces helps improve:
- Cutting performance
- Tooth longevity
- Grinding efficiency
- Machine productivity
Proper sharpening helps restore the tooth geometry needed for effective stump removal.
Diamond-Bonded Grinding Wheel Included
The fixture includes a 5″ diamond-bonded 180-grit grinding wheel specifically designed for sharpening Green and Red stump grinder teeth.
Benefits include:
- Can sharpen all 4 sizes of Green/Red stump teeth
- No wheel dressing required
- Cleaner operation than traditional grinding wheels
- Consistent sharpening performance
- Faster setup and operation
- Extended wheel life
The wheel contains 1/4″ depth of grinding material, providing long service life and reliable performance for high-volume sharpening operations.
Fast & Efficient Tooth Sharpening
Sharpening Green and Red stump grinder teeth is quick and straightforward. To sharpen:
- Position the hollow face of the tooth against the grinding wheel.
- Rotate the tooth through the sharpening process.
- Restore the cutting edge geometry.
Most teeth can be sharpened in less than two minutes per tooth
This allows sharpening shops and stump grinding businesses to reduce downtime and improve productivity. Most teeth can be sharpened up to 5 times.
Compatible with Multiple Thorvie Machines
The Green/Red Stump Grinding Fixture mounts directly to the AV-56 Stump Bit Grinder and the AV-40 Saw Sharpening Machine using the 1″ plug located on the machine saddle assembly. This flexibility allows operators to add stump tooth sharpening capabilities to existing Thorvie equipment.
Included with the Green/Red Stump Grinding Fixture
The fixture package includes:
- Green/Red stump grinding fixture
- 5″ diamond-bonded grinding wheel
- Written instructions
- Thorvie customer support
Everything needed to begin sharpening Green and Red stump grinder teeth is included.
Complete Your Stump Tooth Sharpening System
For a dedicated stump tooth sharpening solution, pair this fixture with the:
AV-56 Stump Bit Grinder: The AV-56 provides a professional sharpening platform designed specifically for stump grinder tooth maintenance and carbide sharpening applications.
Other Available Stump Grinding Fixtures
Thorvie offers several additional stump grinder tooth sharpening fixtures for different cutter styles:
Yellow Jacket Stump Grinder Tooth Fixture: Designed for sharpening Yellow Jacket stump grinding teeth.
Sandvik Stump Grinding Fixture: Designed for sharpening Sandvik stump grinding teeth.
Standard Stump Grinding Fixture: Designed for sharpening many standard stump grinder tooth configurations.








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