Dremel 9901HP coated cylindrical carbide cutter
Dremel 9901HP is the coated cylindrical 1/8-inch carbide model.

How to choose
Compare the straight-sided head for shaping a groove or edge where the cylinder can reach. Keep the working profile and the tool-side diameter in separate checks.
Compatibility and limits
1/8-inch coated cylindrical carbide head · verify tool-side fit independently
Care
Before mounting the accessory, check its speed rating against the tool and use the holder specified for its shank or mandrel. Refer to the exact model instructions for the workpiece.
Questions before buying
Should I choose the coated cylinder or a coated rounded tip?
Use the cylinder when its flat-ended profile fits the cut. Compare the 9903HP when the working end needs a rounded contact, even if both fit your tool.