HPMAISON SDS Plus Rotary Hammer Drill Bit Set 8mm x 160mm, 5PCS Cross Drill Bits Hammer Impact Drill Bit 4-Cutter Carbide Tips for Drilling Stone,

The HPMAISON SDS Plus Rotary Hammer Drill Bit Set claims to be suitable for drilling stone, concrete, brick walls, cement, and masonry. However, customer experiences with this product have been mixed. Several customers have complained about the poor quality of the drill bits in this set. In particular, the 5mm and both 6mm bits were unusable due to being completely out of shape and bent. Some customers even mentioned that the 6mm bits included in the set were slightly bent but still usable. This inConsistency in quality is definitely concerning. However, there were also some customers who found the larger bits in the set to be mostly okay and usable. While not perfect, they were able to fulfill their drilling needs with them. In conclusion, the HPMAISON SDS Plus Rotary Hammer Drill Bit Set seems to have significant quality control issues. While some customers were able to use the larger bits effectively, the bent and unusable 5mm and 6mm bits indicate a clear problem. It's important for the manufacturer to address these issues to provide a more reliable product to their customers.