Combined Machine Tap with round shank and square drive 30° Spiral Flute 

The Combined Tap enables the user to produce the tapping drill hole and the through thread in one operation without any tool changing.

The tool incorporates a twist drill before the thread tapping part.

This tool can produce through threads up to a maximum threaded depth of 2 x D.

The Combined Tap is suitable for universal use in materials of medium mechanical strength: non-alloyed and alloyed steel sorts up to 600 N/mm², malleable cast iron, nodulized graphite cast iron, copper, brass, aluminium, aluminium-magnesiuand zinc alloys, red bronze, electron metal, pressure-cast zinc.

This tool should be used on machines possesing an RPswitchover facility for drilling and tapping.

The feed rate must be adapted to the particular operation required - drilling or tapping.

Tapping chucks with pressure compensation may not be used.