keyless or keytye Drill chucks 1.Used for machining and for wood work 2.taper or thread hole 3.clamping size:6,10,13,20mm et

OUr drill chuck include:JT hole, B hole, or threaded hole connection0.5-6mm0.5-8mm1-10mm1-13mm3-16mm5-20mmGrade: P,D,M