... drill Shank type: SDS Plus, SDS Max, Spline shank. SDS Hammer drill ,SDS shank drillShank type: SDS Plus, SDS Max, Spline ... flute available. 4. For drilling in granite, concrete, stone, masonry, tiles and marble. 5. The electric hammer drill bits are machined from ... at a very high temperature to withstand severe heating when drilling hard materials. L-shaped flute profile improves dust discharge. Sand ...