I'm an HVAC contractor and bought several core bits to drill through block and brick. The order arrived and was one piece short. I called customer service and they immediately sent the missing piece out and it arrived in time for my job.
I used a 2 1/2 inch dry core bit to cut through 10 inches of brick. The bit made a nice clean hole taking about 10 minutes to cut.
The quality of the bits are good at a very good price when I shopped around.
8 years ago
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