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Description
Technical data for ER40 Ø16 mm collets
| Technical data | |
|---|---|
| Hole diameter d | 16-15 mm |
| Outside diameter D | 41 mm |
| Overall length L | 46 mm |
ER40 16 mm collet – secure tool clamping for industrial production
The ER40 Ø16 mm collet is a key component of the ER40 clamping system, designed for demanding machining applications. Made from 65Mn spring steel with a hardness of 44-48 HRC, it ensures lasting, accurate clamping of milling cutters, drills, reamers, and taps with a shank diameter of 16 mm.
Advantages of the ER40 Ø16 mm collet
- Excellent tool alignment – precise centering eliminates vibration and improves surface finish quality
- Durable 65Mn steel construction – material hardened to 44-48 HRC ensures a long service life without loss of elasticity
- DIN 6499 – universal compatibility with ER40 holders and nuts from various suppliers
- Clamping tolerance 16-15 mm – a range of 1 mm allows the use of tools with similar shank diameters
- Intended for industrial applications – optimal for vertical and horizontal milling machines, CNC centers, and boring machines
ER40 16 mm collet is one of the most commonly used sizes because tools with a 16 mm shank are widely used in the machinery industry. Recommended for professional toolrooms, production departments, and technical service teams. Order the ER40 collet and ensure reliable clamping in everyday work.
Frequently asked questions
The ER40 system accommodates straight-shank tools with diameters in the 3-26 mm range. Each collet offers a clamping range of 1 mm, providing flexibility when assembling tooling sets.
Insert the collet into the nut at an angle, engage the groove with the eccentric retaining lip, and press until it clicks into place. After fitting the nut onto the holder, tighten it to the recommended torque using the dedicated wrench.
Individual sizes are identified by their 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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