| View Larger Image | Pro-Quality 20-Piece Diamond-Point Bit Set for Rotary Tool - Glass, Stone, Ceramic | Misc.by SE
| List Price: | $4.99 | |
| | Sales Rank: | 490th |
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FEATURES | |
EDITORIAL REVIEWS |
Product Description
Professional Quality, 1/8" Shank, 180 Grit. Includes 20 assorted shapes covered with diamond particles. All bits have 1/8" shanks and come in convienient plastic holder. Excellent for fine detail work, cutting, engraving, carving, touch-up and finishing. Use on wood, jade, ceramic, glass, hardened steel, semi-precious stones and other hard materials. |
CUSTOMER REVIEWS (Average Customer Rating: 4.0 based on 13 reviews)
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Maybe good for plastic. by L. Ballard (Utah)  1 Stars
November 17, 2009
The first one I used went dull in about 20 seconds. It barely left a mark on the glass I was working with. The next one I used was on soft metal. Very unimpressive. You get what you pay for. Buy Ryobi drills if you want to grind through glass.
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What a bargain by Bleu Edee (Lander, WY USA)  5 Stars
November 07, 2009
I only used two of the bits so far. They worked wonderfully. I was able to use them in my Dremel just fine.
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Good deal for the price by Charlie Howard (Wine Country, USA)  4 Stars
March 12, 2009
This set of 20 bits costs less than one high-quality diamond bit from other sources, and the bits did the job for which they were purchased.
Used them to drill two 1/8 inch diameter holes in non-tempered window glass. This must be done slowly to avoid overheating and possibly fracturing the glass. Used several different bits to change shapes in the hope of making it go faster. When done, the holes were fine and all of the bits still seemed to have their abrasive surfaces.
I've read elsewhere that a high-quality diamond bit will last for perhaps three holes like these, and that it takes about two minutes to make one hole. Well, it took about 30 minutes per hole, but more than half of that time was spent pausing to let the glass and bit cool off. Since all of the bits still have diamond grit on them, it seems likely that they'll be able to make several more holes before wearing out.
NOTE: Tempered glass probably will shatter if drilled. This window didn't have a "tempered" logo in the corner and looked normal when viewed through polarized sunglasses.
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generic diamond point bits for the dremel rotary tool by R. Fox 5 Stars
January 12, 2009
These generic diamond point bits work great on my dremel rotary tool and the price for 20 of them is cheaper than buying 1 bit of the dremel brand. I use them for engraving on glass and they have been great.
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YOU GET WHAT YOU PAY FOR. by S. Rutledge 1 Stars
December 09, 2008
Would not recomend to a serious carver. The first tiny bit I used on wood snapped just below the carving bit in about 30 seconds. I knew they were not of the best quality but I figured them to at least do better than that.... Even though cheap its a waste of money." I did get a better result from the larger bit. So beware with the tiny ones if you get this...
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Drill glass, marble, masonry, rocks, concrete etc... Drill glass, marble, masonry, rocks, concrete- just about anything you want! Super duty diamond coating on nickel plated high speed steel will give you excellent results even in semi-precious stones. Fluteless design brings more diamonds in contact with your stock. Lasts longer and works better than twist designs. Numbered sizes: #36 (0.1065"), #50 (0.0700"), #54 (0.0550"), #56 (0.0465"), and #60 (0.0400") Note: use on a low speed with...
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