Rigid MT3 arbor to carry gear cutters in the headstock of PD 400 lathes. Its 16mm stub arbor diameter and 4mm keyway are compatible with our involute gear cutter set 44102. The key is removable for unkeyed accessories.

Includes a spacer set 5.5mm - 6mm - 7mm - 11mm to accommodate most accessories up to 28mm wide. Cutter clamping is via a right-hand M8 countersunk socket screw and mating washer.

Two body flats assist spindle stalling when using the M12 x 1.75mm drawbar thread.
This is a Relativity™ product, compatible with Proxxon PD 400 and many other machines.