High Precision 4.5mm Er16 Collet Tir 0.0005" / 10μm Cnc Tool Holder

Concentricity is less than. 0004 at face and arbor (TIR). All critical surfaces precision ground. All critical surfaces are precision ground for accurate fit. Run out: 0.0008" / 15 μm. If both quality and cost are your first concern.