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Description
Technical data for the ER11 Ø5 mm collet
| Technical Data | |
|---|---|
| Bore Diameter d | 5-4 mm |
| Outside Diameter D | 11.5 mm |
| Overall Length L | 18 mm |
ER11 5 mm collet – stable clamping for common tool diameters
The ER11 5 mm collet allows tools with diameters of 4-5 mm to be clamped in CNC machines, milling machines, and engraving machines equipped with the ER11 system. Manufactured in accordance with DIN 6499B from 65Mn spring steel hardened to 44-48 HRC, it provides repeatable, secure clamping during intensive shop use.
Why choose the ER11 5 mm collet
- Radial runout accuracy of 0.015 mm – minimizes vibration at higher spindle speeds and extends cutting edge life
- Flexible range of 4-5 mm with half a millimeter of compensation – one component accommodates several common milling cutter and drill diameters without the need to stock multiple collets
- Durable 65Mn steel hardened to 44-48 HRC – retains its elastic properties through hundreds of tool installation and removal cycles
- Sixteen-slot design ensures symmetrical clamping – protects tool shanks against localized overload and scratches
- Full compliance with DIN 6499B and ISO 15488-B – interchangeable with clamping nuts from all reputable ER11 system manufacturers
This collet is suitable for machining aluminum, plastics, and composite materials where stability at medium and high rotational speeds is required. Recommended for shops needing a reliable solution for daily tool changes.
Frequently asked questions
The collet accepts straight shanks from 4 to 5 mm. It fits milling cutters, drills, countersinks, and taps with these diameters, with a compensation tolerance of half a millimeter.
It performs exceptionally well when machining aluminum, plastics, and composites. Stable clamping ensures quality at medium and high cutting speeds.
The 65Mn steel hardened to 44-48 HRC retains its elasticity through hundreds of cycles. Proper use ensures many years of service without loss of clamping performance.
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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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