Milwaukee 48-20-5055

Buying Milwaukee 48-20-5055 4-Inch Core Bit good productBy L. GreifI have various sizes of the Milwaukee thin wall core bits, and just ordered the 4 inch I have never had a need for the 4 inch until now, and the price here on Amazon is the best I have found by 50 dollars less than local prices here. I have most other sizes to 6 inch, they do a good job I have some bits that I bought in 1992 still working fine, I use them to install 90 plus effieiency furnace flu pipe thru 8 in concrete walls where a basement installation is done, electrical conduit and refrigerant lines. I do recommend a pilot hole and use of the pilot guide pin to get straight holes it will go where it is easiest to cut and may be way off on the other side if you do not use pilot hole with a concrete drill not included, and guide pin which the guide comes with it. of course you have to clean almost 3 inches of concrete out of bored hole each time you bore the depth of the bit.0 of people ... » More Information about Milwaukee 48-20-5055 4-Inch Core Bit.

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