Four-jaw lathe chuck steel with recessed mount 250 mm

Article no.: 312505 250
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Product details

Technical Data

Standard DIN 702-4
Material Steel
External ⌀ A 250 mm
Aperture E 76 mm
Height without jaws H1 82 mm
Height with jaws H2 122 mm
Centring ⌀ B 200 mm
Centring depth C 5 mm
Chuck key square K 12 mm
Weight 26.8 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 312505 250
EAN / GTIN 4019208526744
Manufacturer number 185328

Description

Version:

  • Gear scroll drop-forged, balanced, and hardened.
  • Flanks of scroll and of jaw serrations are ground.
  • Weight-reduced body of steel.
  • High concentricity.

Drop-forged, resulting in a long working life and suitability for high speed machines.

Application:

For machine spindles with recessed centring mount or for mounting using a flange.

Standard:

DIN 702-4.

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.

Optional extras:

For spare and additional jaws see No. 314100315300. For swarf protection see No. 312800.

Note:

DIN 702-4 satisfies the old standard DIN 6350-1.

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