1.When processing threads, the tapping tool holder can be extended and contracted, which can effectively protect the taps.
2.Made of 20CrMrTi steel, fully carburized and heat treated to enhance wear and stability.
3.The tapping tool holder is quenched and hardened, with high concentricity and good processing effect.
4.The tapping tool holder can be floated and retracted, the front can float 5mm, and the rear can float 6mm.