4mm drill bit. EXTREME SDS plus four cutter concrete drill bits feature a solid 2 cuter carbide head, flanked by two individual cutting tips. This delivers a fast and efficient drilling speed in concrete. The four flute spiral enables quick debris removal maintaining fast drilling speeds.
- Suitable for fast drilling of plug, anchor or clearance holes in masonry, stone, concrete and brick/block work
- Optimized mounting shank provides perfect grip and optimum power transmission, with a hardened steel body for extra strength and reduced breakage
- Solid two cutter head is flanked by two individual cutting tips delivering a fast and efficient drilling speed
- The 140° tip design ensures better bit penetration and longer life
- Hardened Steel body for extra strength and reduced breakage
