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Pro-Quality 20-Piece Diamond-Point Bit Set for Rotary Tool - Glass, Stone, Ceramic |  | Brand: SE
Category: Home Improvement
List Price: $7.50
Buy New: $1.99
as of 9/9/2010 06:35 CDT details
New (9) from $1.99
Rating:  14 reviews
Sales Rank: 221
Media: Misc.
Shipping Weight (lbs): 0.1
Dimensions (in): 5.2 x 4.3 x 0.3
MPN: DT220R
UPC: 706569040982
EAN: 0706569040982
Availability: Usually ships in 1-2 business days
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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.
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| Customer Reviews:
Showing reviews 1-5 of 14
 Not worth it March 15, 2010
JMTRELLA (guilford, ct USA)
2 out of 2 found this review helpful
I tried to drill sea glass, the 1st 2 bits "melted" and mushroomed. The next 4 attempts broke the pieces and didn't even drill 1/16" deep.
Maybe good for plastic. November 17, 2009
L. Ballard (Utah)
3 out of 4 found this review helpful
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.
 What a bargain November 7, 2009
Bleu Edee (Lander, WY USA)
2 out of 2 found this review helpful
I only used two of the bits so far. They worked wonderfully. I was able to use them in my Dremel just fine.
Good deal for the price March 12, 2009
Charlie Howard (Wine Country, USA)
9 out of 9 found this review helpful
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.
generic diamond point bits for the dremel rotary tool January 12, 2009
R. Fox
6 out of 6 found this review helpful
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.
Showing reviews 1-5 of 14
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