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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12 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 0.16 Inch - 1.18 Inch（4 mm - 30 mm） YLYL

12 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 0.16 Inch - 1.18 Inch（4 mm - 30 mm） YLYL

Product ID: 448671560

Details

Brand
YLYL
Cutting Diameter
1.18 inches
Finish Type
Uncoated
Material
Carbon Steel
Shank Type
Straight

🌊Water lubrication for extended bit life

💎12 precision diamond drill bits

🛠️Industrial-grade carbon steel build

MX$327

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Description

💎 Drill like a pro, cut like a boss — precision meets power!

PREMIUM DURABILITY - Crafted from high-speed carbon steel for sharpness & longevity
COMPLETE SIZE RANGE - 12 versatile bits from 4mm to 30mm cover every drilling need
TRUSTED SATISFACTION - Top-rated with 4.3 stars and dedicated customer support
COOL CLEAN DRILLING - Large clearance holes optimize water flow and chip removal
MULTI SURFACE MASTERY - Effortlessly drills glass, ceramic, marble, granite & more

This 12-piece diamond drill bit set by YLYL features industrial-grade carbon steel bits ranging from 4mm to 30mm, designed for clean, precise holes in hard surfaces like ceramic, glass, marble, and granite. Engineered with large clearance holes for efficient water cooling and chip removal, it ensures extended bit life and smooth drilling. Perfect for professionals and DIY enthusiasts seeking durability, versatility, and top-tier performance.

Specifications

ASIN	B0B1DGBCDV
Best Sellers Rank	#7,608 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #4 in Hole Saw Sets & Kits
Brand Name	YLYL
Customer Reviews	4.3 4.3 out of 5 stars (4,171)
Cutting Diameter	1.18 inches
Finish Types	Uncoated
Manufacturer	ZHUYU029
Material Type	Carbon Steel, High Speed Steel (HSS)
Minimum Bore Diameter	0.31 inches
Number of Flutes	3
Number of Pieces	12
Part Number	ZHUYU029
Point Style	Diamond Point
Set Name	12 Pcs Diamond Drill Bits for Ceramic
Shank Type	Straight
Surface Recommendation	Ceramic, Tile
Tool Flute Type	Straight
UPC	606727873004
Unit Count	12 Count

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MX$327

Duties & taxes included

In stock

Sold byAmazon MexicoDelivered 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 Mexico.

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