Concrete hole saw, diamond core drill bit, diamond hole saw, diamond core drill, concrete core drill, concrete core drill bit

Big size bi-metal hole saw with big cutting depth

DESCRIPTION

* M3/M42 bi-metal construction for heavy duty cutting:

* Variable pitch teeth for faster, smoother cutting and less vibration

* longer lasting design for more cuts per saw

* Multiple knock-out slots and holes for easy core removal

* Cutting depth to 1-1/2"(38mm)and 1-7/8"(47mm), 52mm, 70mm, 80mm 120mm

* Diameters form 1-7/8"(48mm)to 15"(381mm)

* Can be used in portable electric or pneumatic tools, vertical drill machines, lathe, boring/milling machines and other machine tools

* Cuts through stainless steel and other materials pipe, nail-embedded wood, hard wood floors, plywood and plastics,

* Extra charge for the pilot and arbor