Dremel 9905 tungsten carbide cutter
9905 is a tungsten carbide model with a rounded working head.
How to choose
Compare its profile with a cylinder when the shape of the recess matters. The head’s geometry, material guidance and tool-side fit are separate checks.
Compatibility and limits
Rounded tungsten carbide head · 1/8-inch working diameter
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
Which carbide shape should I use to start comparing a shallow hollow?
The ball-shaped 9905 offers a rounded contact point. A round-end cylinder such as 9903 has sides that can reach a broader area once there is room.