Features - Type A1 spindle has a 2 bolt hole pattern, inside and outside the taper. Either an A1 or A2 chuck will fit on it
- Type A2 spindle has a 1 bolt pattern outside the taper, only an A2 chuck will fit on it
Series"3215"Size"12-1/2, "Weight"121"Hole Size"4.05, "Max RPM"1, 500"Taper"A2-6"Size"12-1/2, "Series"3215"Hole Size"4.05, "Taper"A2-6"Max RPM"1, 500"Weight"121"