I’M LOOKING TO PURCHASE SPINDLE AND VFD WAS CURIOS IF THE SPINDLES COME WITH COLLETS SO WHICH ONES?

Yes, all of the spindles come with collets. The collets have a 1/4" (6.35mm) bore for end mills that have a 1/4" shank. The ER specification is different for the 1.5kW (ER-11) and the 2.2kW (ER-20). Additional Information: Additional Information: Additional Information: