
Certificate of Quality
- Chuck body fine balanced G2.5 at 25.000 rpm or U < 1 gmm
- All functional surfaces fine machined
- Taper tolerance AT3
- Coolant supply form ADB
Your current product selection:

Shrink Fit Chuck Standard Version
ASME B5.50 · CAT50
Certificate of Quality
- Chuck body fine balanced G2.5 at 25.000 rpm or U < 1 gmm
- All functional surfaces fine machined
- Taper tolerance AT3
- Coolant supply form ADB
Shrink Fit Chuck Standard Version
ASME B5.50 · CAT50
Shrink fit chuck suitable to all kind of shrink fit units.
CAT 50 FORM AD/AF.
Form AD/AF means: Central coolant supply and coolant channels through the flange which can be sealed again.
- Heat resistant hot-working steel
- Hardened 54-2 HRC
- For HSS and solid carbide tools
- Shank tolerance h6
- With threaded holes in order to balance with balancing screws
- Cool Jet coolant bores that can be sealed included
- Cooling with Cool Flash for an extra charge
Technical data subjects to change without prior notice.
Technical drawing

Please select your clamping diameter:
Clamping Ø D1 [inch] | 1/4 |
---|---|
Ø D2 [inch] | 0.83 |
Ø D3 [inch] | 1.06 |
L [inch] | 1.42 |
Order No. | Gage length A in inch | |||||
---|---|---|---|---|---|---|
50.840.1/4z.4 | ![]() short, 3.15 inch |
|
|
Accessory | ||
50.844.1/4z.4 | ![]() ZG130, 5.12 inch |
|
|
Accessory | ||
50.842.1/4z.4 | ![]() oversize, 6.30 inch |
|
|
Accessory |
Clamping Ø D1 [inch] | 5/16 |
---|---|
Ø D2 [inch] | 0.83 |
Ø D3 [inch] | 1.06 |
L [inch] | 1.42 |
Order No. | Gage length A in inch | |||||
---|---|---|---|---|---|---|
50.840.5/16z.4 | ![]() short, 3.15 inch |
|
|
Accessory | ||
50.844.5/16z.4 | ![]() ZG130, 5.12 inch |
|
|
Accessory | ||
50.842.5/16z.4 | ![]() oversize, 6.30 inch |
|
|
Accessory |
Clamping Ø D1 [inch] | 3/8 |
---|---|
Ø D2 [inch] | 0.94 |
Ø D3 [inch] | 1.26 |
L [inch] | 1.65 |
Order No. | Gage length A in inch | |||||
---|---|---|---|---|---|---|
50.840.3/8z.4 | ![]() short, 3.15 inch |
|
|
Accessory | ||
50.844.3/8z.4 | ![]() ZG130, 5.12 inch |
|
|
Accessory | ||
50.842.3/8z.4 | ![]() oversize, 6.30 inch |
|
|
Accessory |
Clamping Ø D1 [inch] | 7/16 |
---|---|
Ø D2 [inch] | 0.94 |
Ø D3 [inch] | 1.26 |
L [inch] | 1.65 |
Order No. | Gage length A in inch | |||||
---|---|---|---|---|---|---|
50.840.7/16z.4 | ![]() short, 3.15 inch |
|
|
Accessory | ||
50.844.7/16z.4 | ![]() ZG130, 5.12 inch |
|
|
Accessory | ||
50.842.7/16z.4 | ![]() oversize, 6.30 inch |
|
|
Accessory |
Clamping Ø D1 [inch] | 1/2 |
---|---|
Ø D2 [inch] | 0.94 |
Ø D3 [inch] | 1.26 |
L [inch] | 1.85 |
Order No. | Gage length A in inch | |||||
---|---|---|---|---|---|---|
50.840.1/2z.4 | ![]() short, 3.15 inch |
|
|
Accessory | ||
50.844.1/2z.4 | ![]() ZG130, 5.12 inch |
|
|
Accessory | ||
50.842.1/2z.4 | ![]() oversize, 6.30 inch |
|
|
Accessory |
Clamping Ø D1 [inch] | 5/8 |
---|---|
Ø D2 [inch] | 1.06 |
Ø D3 [inch] | 1.34 |
L [inch] | 1.97 |
Order No. | Gage length A in inch | |||||
---|---|---|---|---|---|---|
50.840.5/8z.4 | ![]() short, 3.15 inch |
|
|
Accessory | ||
50.844.5/8z.4 | ![]() ZG130, 5.12 inch |
|
|
Accessory | ||
50.842.5/8z.4 | ![]() oversize, 6.30 inch |
|
|
Accessory |
Clamping Ø D1 [inch] | 3/4 |
---|---|
Ø D2 [inch] | 1.30 |
Ø D3 [inch] | 1.65 |
L [inch] | 2.05 |
Order No. | Gage length A in inch | |||||
---|---|---|---|---|---|---|
50.840.3/4z.4 | ![]() short, 3.15 inch |
|
|
Accessory | ||
50.844.3/4z.4 | ![]() ZG130, 5.12 inch |
|
|
Accessory | ||
50.842.3/4z.4 | ![]() oversize, 6.30 inch |
|
|
Accessory |
Clamping Ø D1 [inch] | 7/8 |
---|---|
Ø D2 [inch] | 1.30 |
Ø D3 [inch] | 1.65 |
L [inch] | 2.05 |
Order No. | Gage length A in inch | |||||
---|---|---|---|---|---|---|
50.840.7/8z.4 | ![]() short, 3.15 inch |
|
|
Accessory | ||
50.844.7/8z.4 | ![]() ZG130, 5.12 inch |
|
|
Accessory | ||
50.842.7/8z.4 | ![]() oversize, 6.30 inch |
|
|
Accessory |
Clamping Ø D1 [inch] | 1 |
---|---|
Ø D2 [inch] | 1.73 |
Ø D3 [inch] | 2.09 |
L [inch] | 2.28 |
Order No. | Gage length A in inch | |||||
---|---|---|---|---|---|---|
50.840.1z.4 | ![]() short, 3.94 inch |
|
|
Accessory | ||
50.844.1z.4 | ![]() ZG130, 5.12 inch |
|
|
Accessory | ||
50.842.1z.4 | ![]() oversize, 6.30 inch |
|
|
Accessory |
Clamping Ø D1 [inch] | 1 1/4 |
---|---|
Ø D2 [inch] | 1.73 |
Ø D3 [inch] | 2.09 |
L [inch] | 2.28 |
Order No. | Gage length A in inch | |||||
---|---|---|---|---|---|---|
50.840.11/4z.4 | ![]() short, 3.94 inch |
|
|
Accessory | ||
50.844.11/4z.4 | ![]() ZG130, 5.12 inch |
|
|
Accessory | ||
50.842.11/4z.4 | ![]() oversize, 6.30 inch |
|
|
Accessory |
Clamping Ø D1 [mm] | 6 |
---|---|
Ø D2 [mm] | 21 |
Ø D3 [mm] | 27 |
L [mm] | 36 |
Order No. | Gage length A in mm | |||||
---|---|---|---|---|---|---|
50.840.06.4 | ![]() short, 80.00 mm |
|
|
Accessory | ||
50.844.06.4 | ![]() ZG130, 130.00 mm |
|
|
Accessory | ||
50.842.06.4 | ![]() oversize, 160.00 mm |
|
|
Accessory |
Clamping Ø D1 [mm] | 8 |
---|---|
Ø D2 [mm] | 21 |
Ø D3 [mm] | 27 |
L [mm] | 36 |
Order No. | Gage length A in mm | |||||
---|---|---|---|---|---|---|
50.840.08.4 | ![]() short, 80.00 mm |
|
|
Accessory | ||
50.844.08.4 | ![]() ZG130, 130.00 mm |
|
|
Accessory | ||
50.842.08.4 | ![]() oversize, 160.00 mm |
|
|
Accessory |
Clamping Ø D1 [mm] | 10 |
---|---|
Ø D2 [mm] | 24 |
Ø D3 [mm] | 32 |
L [mm] | 42 |
Order No. | Gage length A in mm | |||||
---|---|---|---|---|---|---|
50.840.10.4 | ![]() short, 80.00 mm |
|
|
Accessory | ||
50.844.10.4 | ![]() ZG130, 130.00 mm |
|
|
Accessory | ||
50.842.10.4 | ![]() oversize, 160.00 mm |
|
|
Accessory |
Clamping Ø D1 [mm] | 12 |
---|---|
Ø D2 [mm] | 24 |
Ø D3 [mm] | 32 |
L [mm] | 47 |
Order No. | Gage length A in mm | |||||
---|---|---|---|---|---|---|
50.840.12.4 | ![]() short, 80.00 mm |
|
|
Accessory | ||
50.844.12.4 | ![]() ZG130, 130.00 mm |
|
|
Accessory | ||
50.842.12.4 | ![]() oversize, 160.00 mm |
|
|
Accessory |
Clamping Ø D1 [mm] | 14 |
---|---|
Ø D2 [mm] | 27 |
Ø D3 [mm] | 34 |
L [mm] | 47 |
Order No. | Gage length A in mm | |||||
---|---|---|---|---|---|---|
50.840.14.4 | ![]() short, 80.00 mm |
|
|
Accessory | ||
50.844.14.4 | ![]() ZG130, 130.00 mm |
|
|
Accessory | ||
50.842.14.4 | ![]() oversize, 160.00 mm |
|
|
Accessory |
Clamping Ø D1 [mm] | 16 |
---|---|
Ø D2 [mm] | 27 |
Ø D3 [mm] | 34 |
L [mm] | 50 |
Order No. | Gage length A in mm | |||||
---|---|---|---|---|---|---|
50.840.16.4 | ![]() short, 80.00 mm |
|
|
Accessory | ||
50.844.16.4 | ![]() ZG130, 130.00 mm |
|
|
Accessory | ||
50.842.16.4 | ![]() oversize, 160.00 mm |
|
|
Accessory |
Clamping Ø D1 [mm] | 18 |
---|---|
Ø D2 [mm] | 33 |
Ø D3 [mm] | 42 |
L [mm] | 50 |
Order No. | Gage length A in mm | |||||
---|---|---|---|---|---|---|
50.840.18.4 | ![]() short, 80.00 mm |
|
|
Accessory | ||
50.844.18.4 | ![]() ZG130, 130.00 mm |
|
|
Accessory |
Clamping Ø D1 [mm] | 20 |
---|---|
Ø D2 [mm] | 33 |
Ø D3 [mm] | 42 |
L [mm] | 52 |
Order No. | Gage length A in mm | |||||
---|---|---|---|---|---|---|
50.840.20.4 | ![]() short, 80.00 mm |
|
|
Accessory | ||
50.844.20.4 | ![]() ZG130, 130.00 mm |
|
|
Accessory | ||
50.842.20.4 | ![]() oversize, 160.00 mm |
|
|
Accessory |