New to the dremel scene. how come every time i buy dremel bits they don't fit my dremel head they fall out!! what part am i missing??? help please!

You need to buy a different Collet . Take your Dremmel tool and the bit you want to use to Lows. The salesman will help you buy the collet that you need

I am looking for diamond bits to drill holes in 6mm glass for jewelry. Would these work?

tThey are awesome, one trick to keep them from over heating and dulling, find u a stainless steel pan cover what u r drilling with water, then drill. the drill bits will last a long time, i have used them on steel when i make weapons to,water keeps them cooled down. they are a great set of bits.

Do these work with a dremel tool? Some of them look very small.

The two larger bits do fit my old Dremel with a smaller chuck. The 1.5 mm fits the chuck on my drill press. Alas, the 1 mm needs a small chuck and the two I have bought from Amazon are tedious to align and do not work very well. Frankly, you would probably promptly break both the 1.5 and 1 mm in a Dremel because they are so delicate and need precise alignment for drilling. I have used all the bits with a drill press (with PLENTY of water and SLOOOW pressure) and they work great. One broke simply because I moved the vise and snapped it off. I broke a 2 mm, but simply used the broken bit for another bunch of holes. Broke again and I am now using a stub and it works just fine. Obviously, not deep holes! Drilling on polished rocks of different varieties. Work great.

Need to drill 30 screw holes in plexiglass and Lexan panels, will the bit last through 30 holes and do I need to cool bit while using?

You're better off with regular drill bits you wouldn't want to use this type of drill bit with diamond bits it will cause additional heat and melt the plastic vs. drill through cleanly. These are a very abrasive way of drilling and only used for masonry or actual glass.

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💎 Drill like a pro, craft like an artist — don’t miss out on flawless precision!

BUILT TO LAST - Robust diamond coating and split point design ensure durability and clean cuts every time.
UNIVERSAL FIT - Includes 4 collets for seamless compatibility with Dremel, rotary, and flex shaft tools.
CRAFT YOUR STORY - Transform sea glass, shells, and gemstones into personalized jewelry that stands out.
PRECISION PERFECTED - Achieve flawless holes in glass, stone, and ceramics with ultra-sharp diamond tips.
PRO GRADE VERSATILITY - Engineered for professionals and hobbyists tackling the toughest materials with ease.

The DRILAX 24-Piece Diamond Drill Bit Set offers 20 precision diamond-coated bits in four sizes (1mm to 2.5mm) with 4 collets, designed for clean, durable drilling in hard materials like glass, stone, and ceramics. Compatible with Dremel and rotary tools, it’s perfect for professional-grade jewelry making and creative crafts.

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Manufacturer	DRILAX
Part number	20ASSORTEDPACK
Item Weight	20 g
Product Dimensions	7.62 x 2.54 x 5.08 cm; 20 g
Item model number	DXDIAMONDBITSET20
Size	1mm 1.5mm 2mm 2.5mm MIX
Style	Twist Diamond Coated Drill Bit
Finish	Diamond Coated
Material	Diamond
Item Package Quantity	20
Number of Pieces	20
Measurement System	Metric
Special Features	Diamond Coated Twist Drill Bits with 4 Collets Included
Included components	Diamond Drill Bits, Collet
Batteries included?	No
Batteries Required?	No

DRILAX24-Piece Diamond Drill Bit Set (1mm, 1.5mm, 2mm, 2.5mm) Compatible with Dremel Rotary Tools, Includes 4 Collets – for Stones, Sea Glass, Shells, Gemstones & Jewelry

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