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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Description

💎 Drill like a pro, create like an artist—precision meets durability!

BUILT TO LAST - Triple-layer diamond coating ensures unmatched durability and long life.
CRAFT YOUR LEGACY - Ideal for jewelry makers & artisans craving flawless, chip-free results.
ALL IN ONE MASTERY - Complete 30-piece set with sleek organizer for effortless project flow.
PRECISION PERFECTED - Ultra-fine 1mm bits for flawless holes in glass, stone & ceramics.
SEAMLESS COMPATIBILITY - Standard 1/8” shank fits Dremel & rotary tools—no adapters needed.

The Drilax 30-Piece 1mm Diamond Drill Bits Set offers ultra-precise, durable diamond-coated bits designed for clean, chip-free drilling in glass, stone, ceramics, and gemstones. Compatible with all standard 1/8” shank rotary tools including Dremel, this comprehensive set comes with a sturdy organizer case, making it the ultimate choice for professional artisans and DIY jewelry makers seeking flawless results and long-lasting performance.

Specifications

Material	Alloy Steel
Cutting Diameter	1 Millimeters
Finish Type	Nickel
Shank Type	1/8 inch
Cutting Angle String	45 Degrees
Brand	DRILAX
Tool Flute Type	Straight
Minimum Bore Diameter	1 Millimeters
Point Style	Diamond Point
Surface Recommendation	Glass, Stone, Gems, SeaShells, Porcelain, Ceramic, Rock
Number of Flutes	2
UPC	600095802246
Unit Count	30.0 Count
Manufacturer	DRILAX
Number of Pieces	30
Part Number	DX30p1mmCASE
Item Weight	0.32 ounces
Package Dimensions	5.63 x 2.32 x 0.67 inches
Country of Origin	China
Item model number	DRILAX
Is Discontinued By Manufacturer	No
Size	1mm
Color	Silver
Finish	Nickel
Thickness	1 Millimeters
Item Package Quantity	1
Measurement System	Inch
Special Features	Storage Case Included, Diamond Coated Tip, Compatible with Dremel
Included Components	30 Pieces Diamond Drill Bits, Drill Bit Organizer Case, Clear Case Cover
Batteries Included?	No
Batteries Required?	No

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