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Description
Technical data for the ER25 Ø16 mm collet
| Technical Data | |
|---|---|
| Hole diameter d | 16-15 mm |
| Outside diameter D | 26 mm |
| Overall length L | 34 mm |
ER25 collet 16 mm – maximum capacity of the intermediate system for the largest shank tools
The ER25 collet with a clamping range of 15-16 mm provides stable clamping of tools with the largest shank diameters accommodated by the intermediate system. Manufactured from hardened 65Mn steel with a hardness of 44-48 HRC in accordance with DIN 6499, it guarantees radial runout not exceeding 0.015 mm. A clamping allowance of 1 mm permits precise tool fitting throughout the entire size range.
Key advantages of the ER25 16 mm collet
- Maximum radial runout of 0.015 mm according to DIN 6499 – precision essential for demanding milling and drilling operations on large parts
- Clamping range of 15-16 mm representing the upper limit of the system – full utilization of ER25 capacity without having to switch to the larger ER32
- Dimensions of 26×34 mm providing optimal rigidity – reinforced construction that effectively dampens vibrations during intensive cutting with large tools
- 65Mn spring steel hardened to 44-48 HRC – material guaranteeing many years of service without loss of clamping properties
- Compliance with ISO 15488 – universal interchangeability with holders from leading tooling system manufacturers
The collet is designed to secure end mills, twist drills, machine taps, and reamers used for machining structural steels, aluminum alloys, and engineering plastics. The 16 mm diameter is the maximum size supported by the ER25 system, making this collet an ideal choice for workshops seeking a compact alternative to the larger ER32 system. A proven solution for professional toolrooms machining parts that require tools with large cross sections.
Frequently asked questions
Used to clamp end mills, twist drills, machine taps, reamers, and other tools with straight shanks in the 15-16 mm range. A clamping allowance of 1 mm permits fitting of shanks with slightly varying dimensions.
The ER25 system has a range of 1-16 mm, fully accommodating a diameter of 16 mm without requiring ER32. The 26×34 mm construction provides adequate mechanical rigidity, while the compact dimensions facilitate machining in areas with limited access.
The miniature ER11 is characterized by its dimensions of 11.5×18 mm, the standard ER16 by 17×28 mm, the versatile ER20 by 21×31 mm, the intermediate ER25 by 26×34 mm, the heavy-duty ER32 by 33×40 mm, and the large ER40 by 41×46 mm. The system designation is marked on each collet 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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