Made of HSS steel. The specialist for bankirai: Due to its special geometry of grooves and the optimal chip flow our HSS wood twist drill bit is very much suitable for boring in hard and tropical wood as well as laminated boards and plastics.
HSS wood twist drill bit
The two self guiding chamfers allow splinter-proof entry and exit drillings. In contrary to the present type of drill bits no underlay is necessary anymore due to the new tip geometry.