[Features]● With chucker, dedicated shaft, and screwless blade, the punch blade can be set with one touch. ●Punches of Φ30.5 can be used with pilot hole diameters for small shafts (Φ12).
[Use] ●Drilling work on switchboards.
[Specifications] Set contents: Φ16.3, 20.4, 22.5, 25.5, 30.5