Milling Machine Precision TOOL HOLDER BT OZ Collet Chuck DIN6391 ,BT Tooling comes in a range of sizes designated as BT 30, BT 40, BT 50, etc. and uses the same NMTB body taper as CAT 40. BT tooling is symmetrical about the spindle axis, which CAT tooling is not. This gives BT tooling greater stability and balance at high speeds.Bt Oz Collet Chuck can be used for the clamping of straight shank tools of various sizes such as milling cutters, drill bits, and wire tapping knives, in various drilling machines, milling machines, lathes, etc.. Mechanical spindle and cutting tools and other accessories. High Precision BT shank Tool Holder ,balanced G6.3 or G2.5 For choose.

Material used: special alloy steel, the hardness is 45-48HRC 

2.BT OZ Collet Chuck Used: special alloy steel the, hardness is 45-48HRC Material

3.BT Oz Collet Chuck Accuracy: 0.01mm Ontology

4.Description: for example BT40OZ2580 Model

Stands for BT "shank BT40"

Stands for handle "type OZ25"

80 represents "length handle"

Coolant: AD, B, AD/B can be made according to cutomer requirements
ball bearing Nut

6.Dynamic balancing: G6.3/12000rpm, G2.5/25000rpm