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Description
Technical data for ER40 Ø11 mm collets
| Technical data | |
|---|---|
| Hole diameter d | 11-10 mm |
| Outside diameter D | 41 mm |
| Overall length L | 46 mm |
ER40 11 mm collet – professional clamping for heavy machining
The ER40 Ø11 mm collet is a component of the industrial ER40 clamping system, designed for cutting tools with straight shanks. Made from 65Mn spring steel with a hardness of 44-48 HRC, it ensures secure, rigid clamping of milling cutters, drills, taps, and countersinking tools with a shank diameter of 11 mm.
Distinctive features of the ER40 Ø11 mm collet
- Maximum clamping rigidity – low radial runout ensures precise machining under high loads
- Durable 65Mn spring steel – retains its elastic properties even during intensive use
- Manufactured to DIN 6499 – ensures trouble-free compatibility with ER40 system holders and nuts
- Clamping range 11-10 mm – a clamping tolerance of 1 mm allows tools with similar diameters to be held
- Industrial applications – ideal for CNC milling machines, machining centers, boring machines, and large drilling machines
ER40 11 mm collet is an optimal choice for facilities performing machining on industrial machines. Designed for professional toolrooms, maintenance departments, and manufacturing companies with demanding requirements. Choose the ER40 collet and ensure stable clamping under all operating conditions.
Frequently asked questions
The ER40 system allows tools with shank diameters from 3 mm to 26 mm to be held. The clamping tolerance of each size is 1 mm, providing flexibility in tool selection.
Insert the collet into the nut at an angle, engage the groove with the eccentric retaining lip, and press it fully into place. Fit the nut onto the holder and tighten it to the correct torque using the dedicated wrench.
Each type is defined by its 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 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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