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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💎 Make your mark with diamond precision—engrave your world!

USA BASED SUPPORT - Reliable customer service ready to assist via chat, email, or phone
DIAMOND PRECISION TIP - Carbide bit with ultra-fine 0.8mm tip for intricate, lasting engravings
LIGHTWEIGHT PORTABLE - Just 5g—carry your engraving edge anywhere, anytime
PERFECT FIT FOR DREMEL 290 - Seamless compatibility ensures smooth, professional-grade results every time
VERSATILE MATERIAL MASTERY - Effortlessly engraves metal, glass, wood, leather & more for limitless creativity

The Dremel 9929 Rotary Tool Engraver Bit features a durable diamond-tipped 0.8mm carbide point designed for detailed engraving on hard surfaces like steel, glass, and wood. Compatible exclusively with the Dremel 290 Engraver, this lightweight, hand-powered accessory empowers professionals and hobbyists alike to personalize and decorate a wide range of materials with precision and ease, backed by dedicated USA-based customer support.

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Manufacturer	Dremel
Part Number	9929
Product Dimensions	10.16 x 2 x 1.78 cm; 5 g
Item model number	9929
Colour	Gray
Style	Rotary
Finish	Titanium
Material	Diamond
Power Source	Hand Powered
Item Package Quantity	1
Included Components	Unit^Instruction Guide
Batteries included?	No
Batteries Required?	No
Item Weight	5 g

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

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