
Certificate of Quality
- Chuck body fine balanced G2.5 at 25.000 rpm or U < 1 gmm
- All functional surfaces fine machined
- More accurate than DIN
Your current product selection:

Collet chuck Typ ER
DIN 69893-1 · HSK-A50
Certificate of Quality
- Chuck body fine balanced G2.5 at 25.000 rpm or U < 1 gmm
- All functional surfaces fine machined
- More accurate than DIN
Collet chuck Typ ER
DIN 69893-1 · HSK-A50
For clamping tools with cylindrical shank in ER collets according to ISO 15488.
DIN 69882-6
Included in delivery: Locknut type HS (High-Speed, fine balanced, with slide coating for higher clamping forces); without coolant tube
Enlarging of size L upon request
Technical data subjects to change without prior notice.
Technical drawing

Please select your clamping diameter:
Version | ER 11 |
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Ø D [inch] | 0.75 |
Clamping range [inch] | 0.02 - 0.28 |
L [mm] | 1.04 |
Order No. | Gage length A in inch | |||||
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A50.025.11 | ![]() ultrashort, 2.36 inch Without thread for back-up screw |
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Accessory |
Version | ER 16 |
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Ø D [inch] | 1.10 |
Clamping range [inch] | 0.02 - 0.39 |
L [inch] | 1.28 |
Order No. | Gage length A in inch | |||||
---|---|---|---|---|---|---|
A50.025.16 | ![]() ultrashort, 2.36 inch Ohne Gewinde für Einstellschraube |
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Accessory | ||
A50.020.16 | ![]() short, 3.94 inch |
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Accessory |
Version | ER 25 |
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Ø D [inch] | 1.65 |
Clamping range [inch] | 0.04 - 0.63 |
L [inch] | 1.61 |
Order No. | Gage length A in inch | |||||
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A50.025.25 | ![]() ultrashort, 2.76 inch Ohne Gewinde für Einstellschraube |
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Accessory | ||
A50.020.25 | ![]() short, 3.94 inch |
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Accessory |