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Four-jaw lathe chuck steel with short taper mount 250/6 mm
Article no.: 312705 250/6
Article code:
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Short taper mount to DIN 702-3 (stud and collar nut).
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Product details
Technical Data
| Standard | DIN 702-3 | |
| Taper size | 6 | |
| Material | Steel | |
| External ⌀ A | 250 mm | |
| Aperture E | 76 mm | |
| Height without jaws H1 | 83 mm | |
| Height with jaws H2 | 124 mm | |
| Number of studs | 4 | |
| Size of studs | M12 | |
| Centring taper ⌀ B | 106.39 mm | |
| Chuck key square K | 12 mm | |
| Weight | 28.8 kg | |
| maximum speed | 3,000 rpm | |
| Colour code for accessories | Röhm geared scroll chucks and jaws | |
| Type of product | Gear scroll chucks |
Identification numbers & Classifications
| Article number | 312705 250/6 | |
| EAN / GTIN | 4019208524672 | |
| Manufacturer number | 185543 |
Description
Version:
Drop-forged, resulting in a long working life and suitability for high speed machines.
- Gear scroll drop-forged, balanced, and hardened.
- Flanks of scroll and of jaw serrations are ground.
- Weight-reduced body of steel.
- High concentricity.
Application:
For spindle noses DIN 55027 with studs and collar nuts. The chuck is always fitted to the spindle nose directly without an intermediate flange.
Standard:
DIN 702-3.
Material:
Steel
Supplied with:
1 set = 4 hardened inside jaws, stepped on the outside.
1 set = 4 hardened outside jaws, stepped on the inside.
1 clamping wrench and fastening screws or studs depending on the chuck.
1 set = 4 hardened outside jaws, stepped on the inside.
1 clamping wrench and fastening screws or studs depending on the chuck.
Optional extras:
Note:
DIN 702-3 satisfies the old standard DIN 55027.