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12mm collet chuck
12mm collet chuck is backordered and will ship as soon as it is back in stock.
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Delivery and Shipping
Delivery and Shipping
At Krollit, we guarantee a safe and reliable shipping process. Orders are handled with the utmost care and traceability until delivery.
For international shipments, please send your request via the dedicated contact form.
Upon delivery, always sign the delivery note with the words “subject to inspection” to allow for proper handling of any irregularities or discrepancies in the product.
Our goal is to ensure you receive prompt service and a worry-free shopping experience.
12mm collet chuck
Description
Collet chuck Ø 12 mm for Bernardo UWS 300 / UWS 350 universal sharpener — for precise clamping of tools with a 12 mm shank during sharpening. Austrian-made, available from Krollit, official Bernardo distributor since 2007.
- Tool diameter: 12 mm
- Compatible with: UWS 300 / UWS 350
- Function: Precise clamping of tools with 12 mm shank
Logistics
Original spare parts available with 3–5 working days shipping. Customer support in Italian available.
Technical specifications
Technical specifications
| Specification | Value |
|---|---|
| Tool shank diameter | 12 mm |
| Compatible with | UWS 300 / UWS 350 |
Warranty
Warranty terms and support procedures are available on the dedicated Krollit page.
View Krollit warranty termsFAQ / Frequently asked questions
Frequently Asked Questions
The 12 mm collet chuck — what tools is it used for on the UWS 300/350?
The 12 mm collet chuck accepts tools with an exactly 12 mm shank: end mills with a 12 mm shank, drill bits with a reduced 12 mm shank, reamers, and taps to be sharpened. The collet chuck ensures superior concentricity compared to the standard self-centering chuck — essential for sharpening where a centering error of 0.1 mm results in an asymmetrical cutting edge. Customer support in Italian available.
Is this chuck interchangeable with collet chucks from other manufacturers?
The UWS Bernardo series chucks have a specific machine attachment — not interchangeable with generic ER chucks or collets from other manufacturers. Only purchase original Bernardo sizes compatible with your UWS 300 or UWS 350. Customer support in Italian available.
Delivery times?
Original spare parts available with 3–5 working days shipping. Customer support in Italian available.
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