QMBB Miniature Boring Tool Tolerances:
Shank Diameter: -0.0025mm to -0.0076mm
Minimum Bore Diameter: ±0.013mm
Maximum Bore Depth: +0.38 to -0.00mm
Overall Length: 1.5"/38.00mm.
Shank Diameter: 0.1875"/4.8mm
USE WITH MICRO 100 QTHM QUICK CHANGE HOLDERS