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Three-jaw lathe chuck cast-iron with recessed mount 250 mm
Article no.: 312906 250
Article code:
Product details
Technical Data
| Standard | DIN 702-4 | |
| Material | Cast iron | |
| External ⌀ A | 250 mm | |
| Aperture E | 76 mm | |
| Height without jaws H1 | 85 mm | |
| Height with jaws H2 | 119 mm | |
| Centring ⌀ B | 200 mm | |
| Centring depth C | 5 mm | |
| Weight | 29 kg | |
| maximum speed | 2,500 min-1 | |
| Colour code for accessories | HOLEX geared scroll chucks and jaws | |
| Type of product | Gear scroll chucks |
Identification numbers & Classifications
| Article number | 312906 250 | |
| EAN / GTIN | 4062406154547 |
Description
Version:
- Manual chucks with gear scroll, centrically clamping.
- Body made of cast iron or steel.
- Gear scroll drop-forged, balanced, and hardened.
- Flanks of scroll and of jaw serrations are ground.
- High concentricity, more precise than DIN 6386 requirement.
Application:
For machine spindles with recessed centring mount or for mounting using a flange. The chuck is secured from the rear by means of screws. The flange blanks must always be fitted first to the machine and then to the chuck.
Standard:
DIN 702-4.
Supplied with:
Includes: 1 set = 3 hardened inside jaws, stepped on the outside.
1 set = 3 hardened outside jaws, stepped on the inside.
1 clamping wrench and fastening screws or studs depending on the chuck.
1 set = 3 hardened outside jaws, stepped on the inside.
1 clamping wrench and fastening screws or studs depending on the chuck.