PROXXON 28874 precision twist drill kit
Proxxon 28874 includes ten metric working diameters in a marked case.
How to choose
Look for the exact hole size in the case and match that bit to the holder. Use the metric values rather than deriving a gauge number from the listing’s rounded range.
Compatibility and limits
Ten metric cutting sizes · use the specified chuck or holder
Questions before buying
Which kit suits holes smaller than one millimeter?
The 28874 includes 0.3, 0.5 and 0.8 mm bits. The 28876 brad-point set starts at 1.5 mm. Compare the actual marked size and the matching holder.