Set of ten R8 round collets to fit spindles with a R8 taper. Metric sizes included: 3, 4, 5, 6, 8, 10, 12, 14, 18, and 20 mm.

Collets are made from high-grade tool steel and are precision ground and hardened.

Maximum runout is 0.0007" (0.018 mm). Drawbar thread is 7/16"-20.