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Sintered Diamond CNC Bits | Burs for Stone & Metal - 3.175mm
Red: Set
$229.00
Sale price
$229.00
Regular price
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Sintered Diamond CNC Bits | Burs for Stone & Metal - 3.175mm
$229.00
Sale price
$229.00
Regular price
Shipping calculated at checkout.
In stock: 1-3 business days
For when carbide just wont cut it.
Developed in collaboration with a dental tooling specialist for Aetherium’s testing lab, these sintered diamond burs redefine precision.
Engineered for the hardest materials on earth, including gemstones, ceramics, and even glass, they move effortlessly from rough cutting to precision detailing. You can cut, carve, engrave, and shape gemstone geometry directly from CAD—turning digital design into CNC perfection.
Looking for a more traditional experience? load them up in the engraver tool on your cut n cab, and carve away.
Shank: 3.175mm (1/8 inch)
Red band: 280 grit
Yellow band: 600 grit
Designed for the modern maker.
Proudly made and tested in the Pacific Northwest, USA.
Every order supports Aetherium Innovations and our mission to design tools and technologies that remove barriers in the skilled art trades.
Build & Support
Aetherium products are developed around real workshop and field workflows. If you need dimensions, compatibility guidance, replacement components, or help adapting this product to your setup, contact the workshop before ordering.
Shipping & Returns
The production estimate shown near the purchase button is the current working lead time for this item. Shipping is calculated at checkout.
If an order arrives damaged, does not match what you received approval for, or you need to request a return, contact us with the order number and photos when applicable. We will review the situation directly and help determine the right next step.
Complete the system
Why Aetherium
Built like someone has to use it.
We design around real workflows, direct feedback, and the belief that a good tool should expand what its owner can do.
Bench-testedDeveloped around real workshop problems, not trend forecasts.
Small-batchProduced deliberately with clear lead times and direct accountability.
AdaptableModular, repair-minded systems designed to evolve with the work.
Direct supportCompatibility question? You can talk to the person who built it.
Unsure whether this fits your setup?Send the workshop a photo or a short description before you order.
Ask a compatibility question