high precision,high speed,high Rigidity precision 0.005mm milling arbors milling chuck BT,CAT,SK(DIN69871),R8,MTA,MTB,NT,C STRAIGHT-ER,OZ MILLING COLLET CHUCK HOLDERS ; -SLN,MTA,MTB,FMA,FMB,APU,BSA,BSB,NEEDLE ROLLER TYPE MILLING CHUCK SPANNER ,NUT HIGH PRECISION, COLLET CHUCK HIGH PRECISION 0.008mm AND 0.005mm