Centre point with cutting character.
Three in reverse order staggered, grooved main cutting edges, one circumferential cutting edge withlongitudinal grooves - both effecting that a clear less feed force is necessary. Also, they minimize the friction and the growth of heat.
Hexagonal shank for a better powertransfer. Larger chip space through optimization of the cutting edge geometry.
Rapid drilling in soft wood, European hard wood, chipboard, MDF etc. Rapid chipping ofsolid wood and chipboards.
Top for freehand drilling and stationary use. The low heat development offers a long service life with highest drilling quality.
Compatible withdepth stop 1621 and extensions 1639.
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