Fits directly into all hammer drills with SDS Plus and Hilti locking. Excellent for fast drilling of holes in concrete slabs, reinforced concrete, and stone. What is Q.F.D.S.? It stands for "Quick Fit Drill Shank" and all of our Sheffield SDS+ Drills have it. It is a unique upgrade to the standard SDS+ shank. The new shank design has a widened entry profile of the slot drive grooves. This results in quicker location of the bit in to the drill and it locking-in is easy. This also reduces wear on the drill chuck.
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