Customer Reviews

2.5 out of 5 stars
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  1
4 star
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1 out of 5 stars
  •   not worth it
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Pros : Sounds like a deal. I have ordered before with hopes that the bits would get better.
Cons : I got 1 1/2 holes drilled with and 5 holes with the other. I was in the middle of a project and couldn't finish it. Awful product! I've ordered before hoping i would get more from this bit.
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5 out of 5 stars
  •   great value
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Pros : I've been using these exclusively for a couple years and am very happy with them. Some bits last a long time, most last long enough, making them a great value in the end. Sometimes I am drilling a convex surface and wouldn't want to risk an expensive bit.
Cons : Sometimes a bit doesn't last very long, but that's not too often.
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1 out of 5 stars
  •   Twofers Diamond Core Drill Bits
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Pros : they work well when they work
Cons : Unreliable - one can drill 100 holes before stripping or strip after one hole
Other Thoughts : Best to go for the more expensive bits. You cannot depend on these Twofers
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$12.95 USD
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