R8 Collet Milling Tool Holder R8 Collet Metric British Inch 3 4 5 6 8 10 12 14 16 18 20 Collet Chuck R8 Spring Colle Set (Color : Metric Thread (M12), Size : R8-20mm)

Hardened, long life and more durable. Precision ground to close tolerance. Positioning slot make the collets more quickly and convently to install. Large clamping force, wide glamping range, not aasy to wear, strong and durable. Surface grinding to ensure tolerance and accuracy, strong versatility and reliable. Precision Thread Hole allows the collet to be quicky connected with pull rod. The silver color looks perfectly cool, also providing more conveniently function. It used for clamping tools,change the taper hole of spindle,It is easy to use,to enlarge the use range of machine tool.