Can I use this on stone like hard river rock?

So far I have only used it on glass and clay/ceramic. I would strongly advise if you do try it, use water to help with the friction. It says that you can use it on stone , gemstones, rocks, and pebbles. Hopefully that answers your question

what is the chuck size 3/8 or 1/2 , I have 3/8 inch chuck?

I have a dewalt drill with 3/8 in chuck its perfect.

What maximum thickness are these suitable for? What is the thickness of the diamond dust on the smallest three cutters?

I can't tell you in exact dimensions how thick the coating of the cutters are. I can tell you that I cut a hole through a substantial hi-power electrical insulator big enough to run a 120-v plug through. Before using these bits-nothing could touch the ceramics it was made of. The secret to success is to run water on the project while drilling.

What machine can i buy for the drill bits?

and drill will work, cordless or corded

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15 Pcs Diamond Drill Bits for Ceramic, Diamond Hole Saw Drill Bit Set Kit, Premium Glass Drill Bit for Bottles,Pots, Marble, Granite Stone, Tile Cutting 0.23 Inch - 2 Inch（6mm - 50mm） YLYL

15 Pcs Diamond Drill Bits for Ceramic, Diamond Hole Saw Drill Bit Set Kit, Premium Glass Drill Bit for Bottles,Pots, Marble, Granite Stone, Tile Cutting 0.23 Inch - 2 Inch（6mm - 50mm） YLYL

Product ID: 265814889

Details

Brand
YLYL
Cutting Diameter
6 Millimeters
Finish Type
Diamond
Material
Ceramic Marble
Shank Type
Straight

💎15 precision diamond-coated sizes

💧Water cooling for extended bit life

🛠️Industrial-grade carbon steel core

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Description

💎 Cut with confidence, drill with distinction!

PREMIUM DIAMOND COATING - Ensures ultra-clean, precise cuts on ceramic, glass, marble, and granite.
VERSATILE 15 SIZE RANGE - From 6mm to 50mm, drill perfect holes in any hard surface.
DURABLE INDUSTRIAL STEEL - Built to last with wear-resistant carbon steel for long-term projects.
OPTIMIZED COOLING DESIGN - Large clearance holes allow water flow to prevent overheating and extend bit life.
TRUSTED BY PROS DI YERS - Top-rated with 4,000+ reviews proving unbeatable value and performance.

The YLYL 15-Piece Diamond Drill Bit Set offers a comprehensive range of sizes (6mm to 50mm) crafted with industrial-grade carbon steel and diamond coating for precision drilling on ceramic, glass, marble, granite, and tiles. Designed with large clearance holes for water cooling, these bits deliver clean, accurate holes while maximizing durability and lifespan. Perfect for professionals and DIY enthusiasts seeking reliable, high-performance drill bits backed by thousands of positive reviews.

Specifications

ASIN	B08MCG68XG
Best Sellers Rank	#9,478 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #8 in Hole Saw Sets & Kits
Brand Name	YLYL
Customer Reviews	4.3 4.3 out of 5 stars (4,120)
Cutting Diameter	6 Millimeters
Finish Types	Diamond Coating
Manufacturer	YLYL
Material Type	Ceramic,Marble,Glass,Stone,Diamond
Minimum Bore Diameter	0.31 Inches
Model	YLYL011
Number of Flutes	1
Number of Pieces	15
Part Number	YLYL011
Point Style	Diamond Point
Set Name	YLYL 15-Piece Diamond Drill Bit Set
Shank Type	Straight
Surface Recommendation	Ceramic, Glass, Porcelain
Tool Flute Type	Straight
UPC	739944296209
Unit Count	15.0 Count

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RM84

Duties & taxes included

In stock

Sold byAmazon MalaysiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Malaysia.

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TrustScore 4.5 | 7,300+ reviews

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