sds max xlr drill bit 4 cuts 20mmox540mm dewalt dt60817SDS Max XLR drill bit with a diameter of 20 mm and a length of 540 mm from the Dewalt brand reference DT60817. The force of the impact is distributed over the 4 cuts of the head. CHARACTERISTICS Bit tip offers superior, more effective drilling Optimized heat treatment for greater durability 4 cut spiral maximizes debris removal for fast drilling and clean holes, extending impact energy and reducing vibration SPECIFICATIONS Diameter 20mm Length 540mm