Comes Complete With Collet Nose Adaptor And Backplate, Clamping Nut & Spanner / Wrench.
To Suit Big Bore Lathes With Spindle Noses Bored 4MT & Threaded 42.5mm x 2mm Pitch.

To Acheive Best Possible Accuracy, It Is Intended That The Backplate Be Fitted To Your Lathe Spindle And A Register Turned On The Outward Face To Accept And Locate The Collet Nose Adaptor.