
Certificate of Quality
- Chuck body fine balanced G2.5 at 22.000 rpm
- All functional surfaces fine machined
- Taper tolerance AT3
- Coolant supply form AD/AF
Your current product selection:

Face Mill Arbor
JIS B 6339 · BT50
Certificate of Quality
- Chuck body fine balanced G2.5 at 22.000 rpm
- All functional surfaces fine machined
- Taper tolerance AT3
- Coolant supply form AD/AF
Face Mill Arbor
JIS B 6339 · BT50
For holding face mill cutters and cutters with radial driving slot DIN 1880 and exceeding clamping diameter 40 clamping according to DIN 2079 is possible, too (4 additional tapping holes).
Similar to DIN 6357 with taper JIS B 6339 BT50 form AD/AF.
Form AD/AF means: central coolant supply and coolant channels on the collar which can be sealed again.
- With coolant exit bores on the end face for milling cutters with central cooling
- Included in delivery: Complete with tightening bolt
Technical data subjects to change without prior notice.
Technical drawing

Please select your clamping diameter:
Clamping Ø D1 [mm] | 22 |
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Ø D2 [mm] | 48 |
L [mm] | 19 |
Order No. | Gage length A in mm | |||||
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50.550.22.KKB | ![]() short, 55.00 mm |
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Accessory | ||
50.551.22.KKB | ![]() long, 100.00 mm |
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Accessory |
Clamping Ø D1 [mm] | 27 |
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Ø D2 [mm] | 60 |
L [mm] | 21 |
Order No. | Gage length A in mm | |||||
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50.550.27.KKB | ![]() short, 55.00 mm |
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Accessory | ||
50.551.27.KKB | ![]() long, 100.00 mm |
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Accessory |
Clamping Ø D1 [mm] | 32 |
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Ø D2 [mm] | 78 |
L [mm] | 24 |
Order No. | Gage length A in mm | |||||
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50.550.32.KKB | ![]() short, 55.00 mm |
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Accessory | ||
50.551.32.KKB | ![]() long, 100.00 mm |
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Accessory |
Clamping Ø D1 [mm] | 40 |
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Ø D2 [mm] | 89 |
L [mm] | 27 |
Order No. | Gage length A in mm | |||||
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50.550.40.KKB | ![]() short, 55.00 mm |
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Accessory |