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Description
Technical data for ER40 Ø17 mm collets
| Technical data | |
|---|---|
| Hole diameter d | 17-16 mm |
| Outside diameter D | 41 mm |
| Overall length L | 46 mm |
ER40 17 mm collet – reliable toolholding for advanced CNC machining
The ER40 Ø17 mm collet is a professional component of the ER40 clamping system, designed for intensive use on CNC machine tools. Made from 65Mn spring steel with a hardness of 44-48 HRC, it provides stable, repeatable clamping of milling cutters, drills, countersinks, and threading tools with a shank diameter of 17 mm.
What sets the ER40 Ø17 mm collet apart?
- Precise tool guidance – minimal radial runout ensures high machining accuracy and a smooth surface finish
- Premium-grade 65Mn spring steel – a hardness of 44-48 HRC guarantees consistent elasticity throughout its service life
- Compliance with DIN 6499 – compatible with ER40 holders and nuts from all leading manufacturers
- Clamping range 17-16 mm – a tolerance of 1 mm allows flexible selection of tools with different shank diameters
- Designed for heavy-duty use – ideal for CNC milling machines, machining centers, boring machines, and multitasking machines
ER40 17 mm collet is a size chosen by specialists working with larger-diameter tools. Suitable for professional machining facilities, toolrooms, and maintenance departments. Choose an ER40 collet – the foundation of precision clamping in every production process.
Frequently asked questions
ER40 collets hold straight-shank tools with diameters from 3 mm to 26 mm. Each size offers a clamping range of 1 mm, ensuring flexibility when selecting tooling.
Insert the collet into the nut at an angle, engage its groove with the eccentric retaining ring, and press until it clicks into place. After fitting the nut onto the holder, tighten it to the recommended torque using the appropriate wrench.
Each size has specific external dimensions: ER11 measures 11.5×18 mm, ER16 measures 17×28 mm, ER20 measures 21×31 mm, ER25 measures 26×34 mm, ER32 measures 33×40 mm, and ER40 measures 41×46 mm. The size designation is marked on the collet 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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