{{ name }}
Article no. {{ combinedCodeWithHighlight }}
Article code:
EAN / GTIN:
Manufacturer number:
Three-jaw lathe chuck steel short taper mount, DIN 702-3, Outer ⌀ A / taper: 250/8mm
Article no.: 312931 250/8
Copy
Article code:
Copy
Find similar products here:
Product details
Technical Data
| Standard | DIN 702-3 | |
| Taper size | 8 | |
| External ⌀ A | 250 mm | |
| Aperture E | 76 mm | |
| Height without jaws H1 | 89 mm | |
| Height with jaws H2 | 123 mm | |
| Weight | 32 kg | |
| maximum speed | 3,500 rpm | |
| Colour code for accessories | HOLEX geared scroll chucks and jaws | |
| Type of product | Gear scroll chucks |
Identification & Classification
| Article number |
312931 250/8
Copy |
|
| EAN / GTIN |
4062406154837
Copy |
|
| Manufacturer number |
312931 250/8
Copy |
|
| Manufacturer/responsible person | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com |
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.
Application:
The chuck is always fitted to the spindle nose directly without an intermediate flange.
For spindle noses DIN 55027 with studs and collar nuts.
For spindle noses DIN 55027 with studs and collar nuts.
Standard:
DIN 702-3.
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.
Optional extras:
Spare and additional jaws No. 312971 − 312986.