Tapered threaded mandrels. Match the arbor hole of the item you are going to use (felt buff, cylinder, rubberized point, etc) to the arbor hole information provided.
Be sure to select the right size shank for your handpiece too. All threads are right-hand.
Mandrel # | Shank Dia. | For Hole | Length of Taper |
3 | 3/32" | 1/16" | 3/16" |
13 | 1/8" | 1/16" | 3/16" |
0 | 3/32" | 1/16" | 3/8" |
30 | 1/8" | 1/16" | 3/8" |
33 | 1/8" | 1/4" | 3/4" |
43 | 1/4" | 3/8" | 1" |