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Description
Technical data for ER25 Ø5 mm precision collet, 0.008 mm
| Technical data | |
|---|---|
| Hole diameter d | 5-4 mm |
| Outside diameter D | 26 mm |
| Overall length L | 34 mm |
| Max. runout | 0.008 mm |
ER25 Ø5 mm precision collet – straight-shank tool clamping, DIN 6499
The ER25 Ø5 mm collet is a high-precision clamping component for CNC machining applications. Its chromium-manganese spring steel construction with a hardness of 58±2 HRC ensures durable, secure clamping of tools with 4-5 mm straight shanks.
Key features of the ER25 5 mm precision-grade collet
- Radial runout of just 0.008 mm – ensures stable tool operation and a high-quality surface finish
- Hardness of 58±2 HRC – protects against deformation even under high clamping forces
- Manufactured in accordance with DIN 6499 – ensures compatibility with all ER25 holders
- Clamping range 4-5 mm – a clamping tolerance of 1 mm for flexible tool selection
The ER25 precision collet allows clamping of milling cutters, drills, taps, countersinks, and reamers. Ideal for use in machining centers, CNC milling machines, engraving machines, and high-speed machines. Collet dimensions: outside diameter 26 mm, height 34 mm.
A proven solution for professional toolrooms and manufacturing facilities that prioritize precision and reliability. Order now and improve your machining accuracy.
Frequently asked questions
The precision model has radial runout of up to 0.008 mm, while the standard version allows up to 0.015 mm. Nearly 2 times greater accuracy enables better surface quality and tighter workpiece tolerances.
It is ideal for finish milling, reaming holes to tight tolerances, mold machining, and producing parts with high accuracy requirements. The 5 mm shank is among the most popular cutting tool sizes.
The compact ER11 measures 11.5×18 mm, the popular ER16 measures 17×28 mm, the universal ER20 measures 21×31 mm, the intermediate ER25 measures 26×34 mm, the industrial ER32 measures 33×40 mm, and the largest ER40 measures 41×46 mm. The system designation is marked on the body in accordance with 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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