Seat Chucks Mandrel for Lathes:
The mandrels hold valve seats while machining them on a lathe.
Features:
Fast and easy installation on any lathe or crank grinder
Simple expansion of the chucks by center
Allows for fast mounting and dismounting of the seat to be machined
Reduces the need for an extensive seat inventory
Allows you to reuse old and obsolete stock
Lets you make seat sizes that are uncommon or hard to get
When making seats from bar stock even the smallest leftover can be used