CNC SK collet chuck tool holder is one of our signature product line and continuously drawing high customer sanctification rating. Click below to browse our selection of 5 micron and 3 micron SK collet chuck with high speed nut in minimum clearance in variety of popular taper spindle including dual contact CAT40, CAT50, BT30, BT40, HSK63A. Shop today and get your items fast with same-day shipping!