Description:<br> The tapper collet is made from carbon steel,whick is of enough hardness and endurance.<br> ER20 MT2 M10 Type chuck holder and is suitable for all ER20 collets<br> Thread Outer Diameter: M10 ; Nut Outer Diameter: 34mm ; Clamp Capacity: 1mm-13mm<br> Used for CNC milling lather or spindle motor clamper<br> Specifications:<br> Material: Carbon steel<br> Type: ER20 MT2 M10<br> Thread Outer Diameter: M10<br> Nut Outer Diameter: 34mm<br> Clamp Capacity: 1mm-13mm<br> Quantity: 1pc<br> Package Included:<br> 1 x MT2 Holder