It uses the rear-pulling parallel expansion, has large locking force and convenient adjustment of locking force.
It uses the standard universal interface of the machine tool, which is easy to install.
It can match with air tightness detection function.
It has both the rigidity of metal and the elasticity of rubber, and the clearance filling can effectively prevent impurities from entering.
The radial runout accuracy is within 0.01mm (due to the model difference).