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 Matthew Maxwell

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: 4

August 10, 2023

be sure to use low speed

I made 15 clean holes through hollow block and brick using low speed drilling and it was still cutting good,(High speed drilling will cause premature wear). I lent the bit to another contractor and found out later that they use it on hammer drill setting and completely ruined the bit after one hole.

Pros

Drill Bits

Cons

Requires a lot of maintenance to keep the diamond core in good condition

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