BT-ER tool holder

OTHER configuration:

Features:

Made of Japanese Daido SCM415 carburised steel with a core tensile strength of ≥950N/mm

Tool shank hardness of HRC54-56

Taper tolerance in accordance with AT3 grade, with a standard machine spindle fit surface of more than 90%

True roundness of internal and external taper ≤ 0.001mm, roughness ≤ Ra0.4

With cartridge and tool installed, tool runout is tested at ≤0.005mm when extended 5 times

Dynamic balance 100% inspection, meet 30000RPM, dynamic balance for G2.5