SDS-max Spiral Drill F4, 25 x 520/400 mm, 4-flute

* Ø 12-40 [mm]

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

* optimal vibration behavior

* maximum energy transfer

* stability against torsional load

* reduced noise emission

* the special side cutting edges in combination with the large chip flutes and the short transition to the double-flighted spiral result in

A variety of advantages:

* reduced friction

* concentric guidance, precision drilled hole

* fast chip removal through large flutes and double-flighted spiral

* very high service life

Application:

* SDS MAX chuck

* compatible with rotary hammers with SDS-MAX chuck or 2-groove locking