Will these work with semi precious gemstones?? -sapphire, amethyst, citrine etc

We use these to drill sea glass, tile, and shells. Not sure if they will work on gemstones.

I want to drill a hole on each side of a 1 inch flat marble for a bracelet. what bit di i look for. i saw a video . need a round or conical tip. help

I had best luck making a clamping jig that set in a beaker of water and used a Dremel drill press. The drill is about 1/2 inch long and I had to drill from both ends because a bead was larger than 1/2 inch. I used the pointed cone to get an accurate start and then reamed out with a 1mm drill to complete the hole. Getting the two tunnels to meet in the center is tricky when the drill is too short. Work slow under water. Don J.

Will these work with a Ryobi quick release drill?

These are really a terrible quality... Don't think I have ever successfully used them as they don't even drill glass.

Do they fit dremel 3000 drill?

Yes they will fit a Dremel 3000 (as long as you have the right size collet) however I do not recommend these drills at all for drilling glass (which is what i bought them for) they were completely useless.

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1mm Diamond Drill Bits 30 pcs Diamond Jewelry Drill Bits for Sea Glass Shells Gemstones Compatible with Dremel Diamond Drill Bits for Glass Diamond Tipped Drill Bit Burrs

Product ID: 335614934

Details

Material
Alloy Steel
Cutting diameter
1 Millimeters
Finish type
Nickel
Shank type
1/8 inch
Cutting angle string
90 Degrees

💎30 pcs diamond-coated bits

⚙️1mm precision drill diameter

🛠️compatible with Dremel & rotary tools

1946685₫

Duties & taxes included

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Sold byAmazon VietnamDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

💎 Drill like a pro, craft like a visionary.

SEAMLESS COMPATIBILITY - Fits standard 1/8" shanks, perfectly compatible with Dremel rotary tools, flex shafts, and other lapidary equipment.
ENGINEERED FOR DURABILITY - Solid alloy steel core with triple-layer diamond coating ensures long-lasting performance and consistent results.
PRO LEVEL CRAFTING MADE EASY - Designed for smooth starts and minimal pressure drilling—ideal for professionals and passionate DIYers alike.
UNMATCHED PRECISION IN EVERY DRILL - 1mm diamond-tipped bits deliver flawless, clean holes for your most intricate jewelry and lapidary projects.
COMPLETE 30 PIECE SET WITH ORGANIZER - Stay effortlessly organized and ready with a full kit designed for all your glass, stone, and shell drilling needs.

The Drilax 1mm Diamond Drill Bit Set includes 30 precision-engineered diamond-coated bits with a solid alloy steel body, designed for flawless drilling in glass, gemstones, shells, and stones. Compatible with Dremel and other rotary tools, this durable kit features a convenient organizer case, making it the ultimate choice for jewelry makers and lapidary enthusiasts seeking professional-grade results.

Specifications

Manufacturer	DRILAX
Part number	DX30p1mmCASE
Item Weight	9.07 g
Package Dimensions	14.3 x 5.89 x 1.7 cm; 9.07 g
Item model number	DRILAX
Size	1mm
Color	Silver
Finish	Nickel
Material	Alloy Steel
Item thickness	1 Millimeters
Item Package Quantity	1
Number Of Pieces	30
Measurement System	Inch
Included components	30 Pieces Diamond Drill Bits, Drill Bit Organizer Case, Clear Case Cover
Batteries Included?	No
Batteries Required?	No

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