My wood stove draws cold air from beneath the house. I replaced the hearth pad and needed to cut a 4” diameter hole through flagstone. This hole cutter worked fast with minimal mess. I cut from the back through the homosote backer with a bimetal hole saw and used that hole as a guide for the diamond hole saw as it does not have a pilot drill.
Verified purchase: Yes | Condition: New
Fits good in my drill no extra adapter needed!
Verified purchase: Yes | Condition: New
I drilled cement board with it .
Verified purchase: Yes | Condition: New
is very useful and practical
Verified purchase: Yes | Condition: New
Broke off a tooth before I got 1” into concrete.
Verified purchase: Yes | Condition: New
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