Buy Milwaukee 48-20-5055 4-Inch Core BitMilwaukee 48-20-5055 4-Inch Core Bit Product Description:
- 4 in. diameter
- Usable cutting depth 3 in.
- Thin wall
- Use with SDS core bit shank 48-03-3555 (8 in.) or 48-03-3561 (12 in.)
Product Description
Milwaukee's Core Bits are ideal for large hole drilling where depth is relatively shallow. The Core Bit cuts a kerf only. The usable depth of Thick Wall Core Bits is 4-3/8 inch. The inside core must be removed by the operator before deeper drilling can be accomplished. The Thick Wall construction is ideal for larger hammers and more seasoned/cured concrete. A 7-1/2 inch extension is available to allow for the deeper holes to be drilled. The appropriate (dependant on the diameter) SDS Plus Drive Shank must be used to drive the Core Bit. Use 48-20-6155 Center Pin and 48-20-6161 Guide Plate for positioning and starting the hole. Thin Wall Core Bits are available from 1 inch to 6 inch diameters. See Thick Wall Core Bits for cured concrete and/or larger hammers. FEATURES: 4 in. diameter. Usable cutting depth 3 in.. Thin wall. Use with SDS core bit shank 48-03-3555 (8 in.) or 48-03-3561 (12 in.)
Customer Reviews
Most helpful customer reviews
0 of 0 people found the following review helpful.
good product
By L. Greif
I 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.
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