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Description
Technical data for the ER11 Ø3 mm collet
| Technical data | |
|---|---|
| Hole diameter d | 3-2 mm |
| Outside diameter D | 11.5 mm |
| Overall length L | 18 mm |
ER11 3 mm collet – a standard size for the most common precision tools
The ER11 Ø3 mm collet matches one of the most common shank diameters in precision machining and engraving. Manufactured from 65Mn spring steel with a hardness of 44-48 HRC, it ensures reliable clamping of end mills, drills, engraving cutters, and model-making tools with the common 3 mm shank.
Key advantages of the ER11 Ø3 mm collet
- Fit for the most common diameter – a 3 mm shank is standard for tools used in engraving, model making, and machining small parts
- High-grade 65Mn steel – hardening to 44-48 HRC guarantees many years of use without loss of clamping properties
- Manufactured in accordance with DIN 6499 – ensures full interchangeability with ER11 holders and nuts from every manufacturer
- Clamping tolerance 3-2 mm – allows clamping of tools with diameters up to 1 mm below the nominal size
- Compact dimensions of the ER11 system – an ideal choice for spindles with limited mounting space
ER11 3 mm collet is essential equipment for every CNC engraving workstation, model-making milling machine, and plastics machining system. Recommended for engraving shops, sign-making businesses, model-making studios, and hobbyists working with miniature parts. Order an ER11 3 mm collet – an essential item in every precision CNC machine operator's toolkit.
Frequently asked questions
ER11 collets clamp tools with straight shanks from 0.5 to 7 mm. Each collet has a tolerance of 1 mm, providing flexibility in tool selection.
Insert the collet into the nut at an angle, engage its groove with the eccentric retaining ring, and press until it clicks into place. Then fit the nut onto the holder and tighten it to the recommended torque using a wrench.
Each series has different dimensions: ER11 is 11.5×18 mm, ER16 is 17×28 mm, ER20 is 21×31 mm, ER25 measures 26×34 mm, ER32 is 33×40 mm, and ER40 is 41×46 mm. The size is marked on the collet body.
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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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