1.See figure 1,when the arbor being used,it is necessary to fix inner hex screw.
2.See figure 2,when the arbor being used,it is necessary to fix standard knob,please note when order it.
3.See figure 1,when the arbor being used,it is necessary to fix extension knob,plesae note when order it.
4.When order please indicate the hilt the concrete form,if needs in the center coldand the flange water leakage 12000rpm,the precision is G2.5/20000rpm.
5.According to need to be possible to provice the balanced hlit,the standard precision is G6.3/12000 rpm,the precison is G2.5/20000 RPM.