Xi'an Tydrillbits Co.,Ltd is one of the most famous China road milling machine tool-holders manufacturers,Website:://.tydrillbits.com, welcome to wholesale cheap road milling machine tool-holders from our factory.Toolholder is a commonly used spare parts for milling machine and  frequently change .HT22  toolholder is desiged  base on the frist toolholder of Wirtgen.The system have fully optimized in 2001 and then the increased contact area of the gasket50% ,diameter add 44mm,so reduce the wear-resisting of cutting tools and toolholder. HT22 toolholder quickly system has been confirmed in milling drum. The toolholder protective layer is increased,expect contact the eare. HT22 toolholder at the back of the lack of grooves, made from the upper tool chip micro milling cutter hole were washed away. Applicable machines Wirtgen ,Dynapac,bitelli,MARINI,ROADTEC.Materials tungsten carbideSpecifications HT3,HT11,HT22Installation position Milling drumPackaing for the HT22 Tool holder Our service1. Warranty   2. After-sales service   3. Quality certification 4. Customized service5. Sample service