2086-Internal and external chamfering disc milling cutter head 45 degree positive and negative dovetail V-groove chamfering cutter head side milling upper and lower chamfering cutterheadInternal and external chamfering disc milling cutter 1. The cutterhead processing strictly adheres to the process of heat treatment and then tapping to avoid the deformation problem caused by post heat treatment, and the blade and the blade are closely fitted, and the knife is not bounced with high precision 2. 42CrMoTi alloy steel, quenched and hardened, durable, the surface has been polished, has good acid resistance, and effectively prevents rust