HIGH PRECISION 1PC 8MM ER16 COLLET TIR 0.0004" / 10μm CNC Tool Holder USA SELL

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: 0.0004" / 10 μm. If both quality and cost are your first concern.