The 8406 drill has a torque-limiter which disengages the clutch when the core jams. When using diamond cores ensure that the 8406 is set to the rotary only mode. Complete with chuck key, side handle and carry case.
Makita 8406 Diamond Core Drill Rotary & Percussion 240V + 11pc Diamond Core Kit
Makita 8406 Diamond Core Drill Rotary Percussion 240V Electricians 7PC Core Set
Makita 8406 Diamond Core Drill Rotary Percussion 850w 240V + Case
Makita 8406, Diamond Core Rotary Hammer Drill. 850w, 110v, & Carry Case.
Makita 8406 Diamond Core Drill 110v Rotary Percussion 850w
Makita 8406 Diamond Core Drill Rotary Percussion 240V Drill Chuck & Carry Case