What is the concept of bt50 face milling cutter handle?

The main models of bt50 plane milling cutter shank series are: 1 1. Material: titanium alloy 20CrMnTi, wear-resistant and durable. The hardness of the handle is 58-60 degrees, with low noise, small wind resistance and high precision of repeated clamping. It is a special tool holder for end milling cutter head. The whole through hole is beneficial to water outlet and has good seismic performance. The tool shank of Bt50 plane milling cutter is mainly used to clamp the tool shank and cutter during drilling, milling, reaming, tapping and grinding.