M33 adapter to fit either of the vacuum chucks in my first post so you can mount the chuck or faceplate directly on the spindle and use an outboard vacuum adapter. £40
Airpress M333x3.5 spindle vacuum adapter with 38mm register diameter x 11mm long £140
Airpress M333x3.5 spindle vacuum adapter with 34mm register diameter x 18mm long £140 SOLD
All excluding postage
See other posts for other vac chuck bits