Charnwood
Charnwood VIPERIH M18 x 2.5mm Insert for M33 x 3.5mm Chucks
£20.00
http://www.machinery4wood.co.uk Go to shop Description
Charnwood VIPERIH - M18 x 2.5mm Insert for Viper & Nexus Chucks Key Features: Headstock thread adaptor for M18 x 2.5mm Lathes.
Optional chuck insert for using Viper3, Viper5 and Nexus3 chucks on a lathe with a M18 x 2.5mm thread on the headstock.
Includes 2 x 8mm diameter holes to aid tightening or removal with a knock out bar.
The internal thread is M18 x 2.5mm and the external thread is M33 x 3.5.
Internal thread length - 35mm External thread length - 30mm