4 Jaw Scroll Chuck with locking screws for using on a lathe with reverse direction.

The best selling size from the Charnwood Viper range. A 4″ sized scroll chuck, with the jaws adjusted by a geared mechanism for simple one handed operation. Self centring, high precision design. Ideal for Midi sized lathes and upwards. The fully enclosed design prevents the build up of chips and dust inside the gear mechanism.

The standard dovetail jaws can grip the work piece both internally or externally depending on the style and shape of the piece to be turned.
The chuck fits directly onto lathes with headstock thread size M33x3.5tpi. for all other sizes an optional insert is required.

We also include a wood screw which clamps into the centre of the chuck for the initial mounting of bowl blanks.

Supplied with standard dovetail jaws, rear cover plate, wood screw, T-bar 8mm square drive for scrolling the jaws and T-handled hex key 4mm for removing the jaws.

We have an extensive range of optional jaws and accessories available for the Viper range of chucks.

The locking screws allow the chuck to be locked onto the lathe spindle, providing the lathe conforms to DIN800 standard or Jet Type T38 design. A 3mm Hex key is required (not included). Reverse direction should only be used when the chuck is mounted directly onto an M33 x 3.5 spindle thread. It should not be used in reverse when using a thread adapter.

Jaws for the Viper 3R are compatible with the following chucks

• Charnwood Viper 3
• Charnwood W3836 [requires V3JS]
• Vicmark VM100 [Requires V3JS]
• Record RP4000
• Rutlands Dakota XT700
• Warco 9405
• Craft Supplies CS400
• Fox FX4000