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Description
Technical data for the ER25 Ø10 mm collet
| Technical Data | |
|---|---|
| Hole diameter d | 10-9 mm |
| Outside diameter D | 26 mm |
| Overall length L | 34 mm |
ER25 10 mm collet – stable clamping of common diameters in a system with optimal proportions
The ER25 collet with a 9-10 mm range provides reliable clamping of tools with one of the most frequently used shank sizes in the machinery industry. Hardened 65Mn steel construction with a hardness of 44-48 HRC and compliance with DIN 6499 guarantee radial runout does not exceed 0.015 mm. The 1 mm collapse range offers the greatest flexibility in tool selection among all ER systems.
Key advantages of the ER25 10 mm collet
- Maximum radial runout of 0.015 mm according to DIN 6499 – precision essential for finishing parts with tight dimensional tolerances
- Clamping range of 9-10 mm with a 1 mm collapse range – versatility covering one of the most popular shank diameters in the tooling industry
- ER25 system design with dimensions of 26×34 mm – optimal proportions combining compact dimensions with increased mechanical rigidity
- 65Mn spring steel hardened to 44-48 HRC – material durability guaranteeing consistent clamping force over years of service
- Full compliance with ISO 15488 – compatibility with tool holders from leading CNC machine manufacturers
The collet is designed to hold end mills, twist drills, machine taps, and reamers used to machine structural steels, aluminum alloys, and engineering plastics. The 10 mm diameter is among the standard shank sizes offered by most cutting tool manufacturers. The ER25 system provides an optimal intermediate solution between the compact ER20 and the reinforced ER32, offering a 1-16 mm range while maintaining moderate overall dimensions. The choice of professionals seeking a balance between versatility and productivity.
Frequently asked questions
Used to secure end mills, twist drills, machine taps, reamers, and other tools with a straight shank in the range from 9 to 10 mm. The 1 mm tolerance allows shanks with slightly different diameters to be mounted.
The ER25 design, measuring 26×34 mm, provides greater rigidity than ER20, which measures 21×31 mm, while remaining smaller than ER32 at 33×40 mm. The 1 mm collapse range exceeds the ER20 tolerance (0.9 mm) by more than 10%, allowing more flexible tool selection.
The compact ER11 measures 11.5×18 mm, the common ER16 measures 17×28 mm, the medium ER20 measures 21×31 mm, the intermediate ER25 measures 26×34 mm, the reinforced ER32 measures 33×40 mm, and the industrial ER40 measures 41×46 mm. The system symbol appears on each collet body in accordance with the requirements of DIN 6499.
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Shipping
All orders are delivered by courier company GLS. For orders exceeding 369 PLN gross shipping is FREE
| Courier GLS | Przelew24 / Prepayment | 14,76 zł gross | Delivery time 1 working day |
| Courier GLS | Cash on delivery | 17,26 zł gross | Lead time 1 working day |
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