Robert Sorby Chuck Exerts for Larger Threads
Robert Sorby Chuck Exerts for Larger Threads. These all enable the standard RSPC insert version chucks to be adapted to fit larger headstock threads.
There are 3 Exert sizes available.
|EXW-Chuck Exert 1.3/8″ X 6tpi|
|EXH-Chuck Exert 1.1/2″ X 8tpi|
|EXN34-Chuck Exert M33 X 3.5mm|