VÖLKEL-Combined-Bits have been designed for drilling, tapping and deburring in one operation using battery-powered screwdriver drills and electric hand drills with right-hand and left-hand rotation.
But they are also suitable for thread cutting by hand or in a stationary drilling machine.
The Combined Bit is suitable for universal use in materials of medium mechanical strength, non ferrous metals ans thermoplastics (up to 600 N/mm² tensile strentgh). It is possible with this tool to produce through threads up to a maximum threaded depth of 1 x D. They are especially useful for mounting and small batch production. Take care that the tool ans the axis of the hole are exactly aligned and use a suitable cutting oil.