Will this bit work on engraving rocks or stones? If not which one should I use?

Thank you for your question! The Dremel 9929 Diamond Point Bit is designed to be used with our model 290 Engraver. The 290 Engraver is an impact engraver. By selecting a higher number on the engraver, it increases the impact. The 290 is capable of engraving in stone with either our diamond tip or our carbide tip (9924). However, to get more desired effects in the rocks/stones you are engraving, you may want to consider this product in addition to use of our high speed rotary tool on the materials you are working with. There is a larger variety of tips and options that can be used in a high speed rotary tool. For further information please contact Dremel at 1-800-437-3635, M- F, 8 AM - 5 PM (CST).

Will these bit hold up to be used in a cnc to engrave steel? if so what depth can they achieve?

No. I bought them to engrave a stone. They don't hold up. I ended up using a drill bit. Lasted longer.

Does it come with the tightening screw?

This 9929 is used for ONLY our 290 Engraving tool. This 9929 is just the bit (accessory), it doesn't come with a screw. (The screw is actually with the tool when you purchase it). If you have lost the screw, please call our toll free number to order another one. You can reach us at 1-800-437-3635, Mon-Fri, 8 am - 5 pm, CST

Does this work with the dremel 290?

Yes. It's made for the 290 dremel. It replaces the bit the 290 comes with it better bit.

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Dremel 9929 Rotary Tool Engraver Bit with Diamond Point- Perfect for Engraving Metal, Glass, and Wood, Grey, Gray

Product ID: 255784417

Details

End cut type
Non-Center
Finish type
Titanium
Material
Diamond
Number of flutes
1
Size
2.54mm

💎Diamond-tipped precision

⚙️Compatible with Dremel 290 Engraver

🛠️Versatile on metal, glass & wood

₩49254

Duties & taxes included

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Sold byAmazon South KoreaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

💎 Make your mark with diamond precision—engrave like a pro!

TRUSTED SUPPORT - USA-based customer service ensures seamless assistance whenever needed
CRAFT YOUR SIGNATURE - Perfect for personalizing gifts, home projects, and professional crafts
DURABLE REPLACEABLE - Long-lasting diamond point designed for repeated use and easy replacement
PRECISION DIAMOND TIP - Carbide bit with a 0.8mm tip for ultra-fine engraving detail
MULTI MATERIAL MASTERY - Effortlessly engraves steel, chrome, titanium, glass, wood, leather & more

The Dremel 9929 Rotary Tool Engraver Bit features a durable diamond-tipped 0.8mm carbide point designed for precision engraving on hard surfaces including metal, glass, wood, and leather. Compatible with the Dremel 290 Engraver, it enables detailed decorative and personalization projects with reliable USA-based customer support.

Specifications

ASIN	B00004UDJU
ASIN	B00004UDJU
Best Sellers Rank	#123,355 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #273 in Power Rotary Tools
Brand Name	Dremel
Customer Reviews	4.5 4.5 out of 5 stars (1,287)
Customer reviews	4.5 4.5 out of 5 stars (1,287)
Cut Type	Non-Center Cutting
Date First Available	7 August 2012
Department	Rotary Tool Accessories
End Cut Type	Non-Center
Finish Types	Titanium
Global Trade Identification Number	00080596099299
Included Components	Unit^Instruction Guide
Is Discontinued By Manufacturer	No
Item Type Name	Tool
Item Weight	5 Grams
Item model number	9929
Manufacturer	Dremel
Manufacturer	Dremel
Material Type	Diamond
Model	9929
Number of Cutting Edges	1
Number of Flutes	1
Number of Items	1
Part Number	9929
Product Dimensions	10.16 x 2 x 1.78 cm; 5 g
Shape	Rectangular
Size Name	2.54mm
Tolerance Held	Precision
UPC	080596099299
Unit Count	1 Count

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