Product features: Double-side knurling for outer cylinder of the external sleeve, MID concave imprinting, the surface has been electrophoretically treated with drill chrominum-plated treatment. It is of pleasing appearance and strong anti-rust capability. The applicable range: It is most ideal high quality product used in the hand electric drill, percussion drill. Thread Mount: UNF
Product features: Double-side knurling for outer cylinder of the external sleeve, MID concave imprinting, the surface has been electrophoretically treated with drill chrominum-plated treatment. It is of pleasing appearance and strong anti-rust capability. The applicable range: It is most ideal high quality product used in the hand electric drill, percussion drill. Thread Mount: UNF
