ALL-CARB 13-Pack Precision R8 Collets Set Mill Collets Set 1/8-7/8In Mill Chuck Holder for Taper Spindle Mill Machine

Accuracy 0.0006In TIR Made of high grade tool steel. Hardened and precision ground Spindle is R8 taper that any R8 shank will fit; 7/16In - 20 UNF internal thread on the top side and pull up into the keyed taper squeezing the end mill to grip it Applications - Widely used in machining centers, general milling machines, CNC milling machine, engraving machine, high-speed machines, and other processing Size - 1/8in, 3/16in, 1/4in, 5/16in, 3/8in, 7/16in, 1/2in, 9/16in, 5/8in, 11/16in, 3/4in, 13/16in and 7/8in