Review on 9.5" Diamond Dry Core Bit For Brick And Block With SDS Plus Pilot Bit Adapter, 5/8"-11 Arbor And 9.5" Drilling Depth - Perfect For Concrete Drilling by Joe Unruh

Name: 9.5" Diamond Dry Core Bit For Brick And Block With SDS Plus Pilot Bit Adapter, 5/8"-11 Arbor And 9.5" Drilling Depth - Perfect For Concrete Drilling
Item: 9.5" Diamond Dry Core Bit For Brick And Block With SDS Plus Pilot Bit Adapter, 5/8"-11 Arbor And 9.5" Drilling Depth - Perfect For Concrete Drilling
Rating: 2

July 12, 2023

Adaptor shaft: my feedback

The core bit was fine, the SDS adapter shaft is twisted after use indicating that it was not hardened/tempered enough thus when the bit got stuck it twisted the shaft rather than simply stopping the core drill.
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Pros

The bit works great but you need to apply a lot of pressure for the bit to cut.

Cons

Requires well-maintained and sharp pilot bit to function properly

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