Lubricate chains, bearings and machine components and cool machining operations.

Replacement ring nut for collet chucks Fervi G025
Also known as: collet nut
Key features
- StandardDIN 6499
- Dimensions (mm)45 x 45 x 25
What it is
Replacement ring nut for collet chucks Fervi G025. Key specifications: standard DIN 6499, dimensions (mm) 45 x 45 x 25.
Collets are elastic sleeves that clamp small-diameter tools or workpieces. The collet chuck is the holder that houses them and is closed with a nut.
What it is for
Used for milling faces, shoulders and slots on machine tools, in workshop machining of steel, aluminium and alloy parts and for turning metal parts, both roughing and finishing.
How to use it
Choose the collet of the tool diameter, as each collet covers only a small range of sizes. Insert it in the collet chuck, push in the tool for the length required and tighten the nut with the wrench. Keep the collet and seat clean and free of chips.
Where it is used
- Mechanical engineering industry
- Mechanical workshops
Technical data
- Standard: DIN 6499
- Dimensions (mm): 45 x 45 x 25
Who it is for
Designed for industrial maintenance technicians and mechanics.
Related products
- Replacement ring nut for collet chucks Fervi G032
- Replacement ring nut for collet chucks Fervi G020
- Centre lathe Fervi T997/400V — from the category Workshop Bench Machines and Tools
- Plastic oil syringe Fervi 0677/SO — from the category Industrial Lubrication and Technical Greases
- Disc micrometer Fervi M010/175/200 — from the category Analogue Distance Measuring Tools
- Browse the whole category: Turning, Milling and Threading Tools
Before you order
Tell us the quantities you need and the intended use: if there is a more suitable version, or an equivalent available sooner, we will let you know.
For prices and availability, request a quote from AMES Srl: we will reply with our quotation, delivery times and, where needed, an equivalent technical alternative.
Indicative price €9,30 – €15,50 + VAT
Incl. 22% VAT: €11,35 – €18,91
Indicative, excluding VAT, depends on quantity, ex works: the final price is the one in your quote
Source: Listino Fervi (fervi.com) · updated 21/07/2026
Specifications 2
| Standard | DIN 6499 |
|---|---|
| Dimensions (mm) | 45 x 45 x 25 |
The perfect setup for this job
Everything you need in one place, from functionality to safety.
For the job
Measure lengths, thicknesses and routes on site and in the workshop.
Machine and finish metal parts at the bench with turning, grinding and blasting.
Hold the workpiece firmly on the bench or machine during machining.
For safety
Protect eyes and face from fragments, dust, splashes and impacts.





