适用行业
施工工地, 能源矿产, Quarrying
Products name
China 7/11/12 degree H22 taper rock drill rod for quarrying
Application
Mining / Quarrying / Tunneling / Construction
Color
Black / Blue / Customized
Taper Degree
4°46'/7°/11°/12°
Rock Formation
Hard / Medium hard / Soft Rock Formation