DESCRIPTION: 18mm SDS plus 4 Cutter Drill Bit. For fixing holes and through holes 16mm 30mm. 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.