SDS-max Spiral Drill F4, 18 x 540/400 mm, 4-flute

* Ø 12-40 [mm]

* with 4 flutes (Ø 12 and 14 mm with 2 flutes)

* optimal vibration behavior

* maximum power transmission

* stability against torsional stress

* reduced noise emission

* the special side cutting edges in combination with the large flute grooves and the short transition to the double feed spirals result in a

variety of advantages:

* reduced friction

* concentric guidance, precisely fitting borehole

* rapid chip evacuation through large grooves and double feed spirals

* very high service life

Application:

* SDS MAX chuck

* suitable for percussion drills with SDS-MAX chuck or 2-groove locking