Shank Diameter: Ø3.2mm
Stone Diameter: Ø4.8mm
Profile: Cylinder

This Mini Chain Saw Sharpening Stone is a specialized precision tool engineered specifically for maintaining the
peak performance of your chainsaw. Keeping a chain sharp is vital for both safety and cutting efficiency, and this
high-grade abrasive stone makes the sharpening process fast, accurate, and effortless.
The tool features a precision-ground 4.0mm diameter cylindrical head, which is the industry-standard size for
sharpening smaller chainsaw chains, typically those with a 3/8′ Low Profile pitch. Its consistent diameter ensures
that the gullet of each cutting tooth is honed to the perfect curvature, restoring a razor-sharp edge while
maintaining the original tooth geometry.
Designed for high-speed use, the stone is mounted on a durable 3.2mm (1/8′) shank. This ensures full compatibility
with most handheld rotary tools and dedicated electric chainsaw sharpeners. The sturdy construction allows the stone
to withstand the high friction and heat generated during the sharpening process without glazing or losing its shape
prematurely.
Whether you are a professional arborist or a homeowner preparing firewood, this sharpening stone provides a
professional-grade edge in minutes. By using this tool regularly, you reduce the strain on your chainsaw’s motor and
ensure cleaner, faster cuts. It is an essential maintenance accessory for anyone looking to extend the life of their
equipment and ensure a smoother sawing experience.
Application:
- Max RPM: 35 000 RPM
- Removes sharp edges.
- Refines contours in glass or stone.
- Ceramics: 20 000 – 30 000 RPM
- Glass: 20 000 – 30 000 RPM
- Stone: 20 000 – 25 000 RPM






