Brief introduction
DIN2080 NT Drill Chuck Arbors,The connecting rod is mainly used for drilling and milling machine used in drill chuck, generally used for lathe, milling machine, machining center machine etc.. Connecting rod using the alloy structure steel, the hardness reached 58-62 degrees, the speed of up to 12000 rpm.

Specifications
1.Model: NT30/40/50
2.Material:20CrMnTi
3.Harded:HRC58-62
4.Run out is less than 0.005mm
5.Tool holders arranges cover BT30/40/50,CAT30/40/50,DIN69871A30,40,50
6.Three kinds of cooling A:without cooling supply AD:central cooling supply AD/B:central cooling supply and with inernal coolant through the collar
7.Balanced tool holder available G6.3=12000rpm G2.5=20000rpm