| | |  | Diamond Coated | Home » » » » 10 Drill Bits HSS Diamond Coated Jewelers Bur Tool Set | | | | | | | Description: | | 10 Diamond Coated Twist Drill Bits Great for Metalsmiths, Metal Working & Drilling. This is a new set of 10 high speed diamond coated twist drill bits Great for drilling stone, ceramic, glass and other hard non-metallic materials. These have 1/8" (3 mm) shanks. These bits measure approximately 1/8" (3 mm) We work hard to update our descriptions and pictures of our merchandise. As part of a process of ongoing innovation by our suppliers, newer versions of the item shown may be shipped before we are able to complete an update. As a result there may be a slight variation in color and design. | | | Product Details: | | | Package Length:
| 5.0 inches | | Package Width:
| 3.0 inches | | Package Height:
| 1.5 inches | | Package Weight:
| 0.15 pounds | | Average Customer Rating:
|  based on 3 reviews |
| | | | Customer Reviews: | |
Average Customer Review:
 ( 3 customer reviews )
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Most Helpful Customer Reviews
3 of 3 found the following review helpful:
 Bad BitsJul 03, 2010
By Blackwolf
These bits are a joke. I spent 45 minutes trying to drill a hole in a stone and only managed a hole about 1/16 inch deep. I used 3 different bits to do this. They were a waste of money.
1 of 1 found the following review helpful:
 Stones don't make itApr 02, 2010
By doorcountydi
"Caribbean snorkler"
I'd heard that if you want to drill through stones, such as for making jewelry as I am trying to do, use a diamond-tipped or coated drill. Well, I tried these drills last week and I must say, if I'm going to drill through a stone, I'd better have patience. A lot of patience. They do start to make a dent, but it would take a long time to go all the way through. I'm sure I'll have much better luck with drilling polymer clay.
WorthlessMar 28, 2011
By dan braido
Wish I had scrolled down to read the reviews before buying. These bits are weaker than any home depot special i have ever picked up. They might be able to make a dent in softened butter, but don't waste your time on anything strong enough to actually require the use of a power drill.
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