De Walt SDS Max Drill Bits
- 340/540mm
- Dewalt DT9417-QZ, This 20 x 540mm drill bit from De Walt has been manufactured to a very high standard courtesy of the 4 cutter X-head design for enhanced user comfort, reduced vibration & enhanced hole quality. Whether you are a professional tradesman or DIY enthusiast, the 4-flute spiral increases drilling speed & debris removal with a heavy-duty shank for maximum durability. De Walt DT9417-QZ SDS Max Drill Bit 20 x 540mm