Long SDS Plus Shank- Package come with a SDS plus shank for this cement drill bits, male thread adapter design, match your drill chuck fastening and much more improve speedier drilling.
Widely Used- The concrete hole saw Mainly work on the Opening Hole Operation of Wall and Brick structure, such as Red brick and Cement,lathe and plaster, brick, and cinder block.
Simple Operation- This Hole Saw Drill Bit Set easy to use, and fast perforated, stable and reliable performance. Great for installing the Air Conditioner, Oil Fume exhauster and Sewer Pipeline Hole Open etc.