... ,NSK P4 spindle bearing Spindle tolerance 0.002mm Variable milling head For electric parts, mould and hole, slot and ... precisely scraping could assure the quality of processingFit for boring, milling, drilling and boring, tolerance is 0.005-0.012mmTaiwan original ... milling head, NSK P4 spindle bearingSpindle tolerance 0.002mmParallel value between ...