BOSCH Roto Zip GP16 1/8-Inch Guide Point Drywall Cutting Zip Bit, 16-Pack

This bit works great as long as you don't let too much of the bit protrude past the sheetrock. That requires that the Roto-Zip have a functioning depth adjustment ... otherwise this bit turns into a planer peeling off the surface of the window and door frames. I had no trouble with the bits breaking as other reviewers had but I suspect that is because I took the advice of others and didn't apply a bunch of pressure ... let the bit do the cutting. They also don't last forever so when the tip starts getting burned down into the flutes it's time to chuck it and get another. I buy the Roto-Zip bits in the 16 pack so they are not terribly expensive. Work great on plastic electrical boxes ... again only if not too much of the bit protrudes ... if you can smell the plastic burning you're probably peeling the box while cutting the rock.

Good value for a set of 16 drywall bits. These 1/8" bits are prone to breaking off if too much force is given to the tool if you're not careful. So far the high speed steel of these has put up with some abuse and still plunge just as easy as the first time the bit was used. So far, so good.

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These work great a cut very well. They can break and it is good to have extras. 16 bits will last a long time. If my material caused more breakage I would probably look for cheaper bits from China but for most uses I would recommend these. Would buy again you will not be disappointed. Four stars only because they want break but that is normal for this bit.

I used these bits in a bathroom remodel were I removed the sheetrock and replaced it. This bit performed excellently throughout the whole project.

Good value and got these the day I ordered them. I can now tackle 3 small ( 1 sheet of drywall each) drywall jobs, using my Rotozip to cut out the water damaged drywall.

Use it to cut sheetrock for a basement. Two bedrooms, three closets, two hallways and a bathroom. Only used one bit to do it all. Will buy again if I ever need more.

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