HIGH PRECISION 1PC ER25C 4MM STEEL SEALED COLLETS TIR 0.0004"/ 10μm USA SELL

HIGH PRECISION 1PCS ER25 4MM STEEL SEALED COLLET TIR 0.0004" / 10μm CNC ER25 TOOL HOLDER. Concentricity is less than. 0004 at face and arbor (TIR). Collets are DIN 6499-B / ISO 15488. All critical surfaces precision ground.