ALPEN SDS MAX DRILL BIT 670X550 35MM ALP89335Alpen SDS MAX HAMMER DRILL BITS Size: 35. 0 x 720 600 mm Packaged: Qty 1 Range of application: High efficiency drill bit for heavy duty SDS max hammer drilling of concrete, natural stone, masonry. Strengths Robust Highly resistant carbide tip High performance Vacuum hardening Hammer drilling into concrete, natural stone, masonry Efficient Deeper Precise Alpen drill bits are manufactured in Austria. Alpen SDS MAX HAMMER DRILL BITS Part No. Diameter mm