11-pc Masonry Drill Bits Carbide Concrete 11 Pack Multiple Sizes (5/32″-1/2″)
Unique cross angle design features drilling stably, fast speed, not breaking the border.3. Hex Shank – All 11 drill bits are equipped with the most common 1/4 in.
Unique cross angle design features drilling stably, fast speed, not breaking the border.3. Hex Shank – All 11 drill bits are equipped with the most common 1/4 in.