适用行业
施工工地, 能源矿产, Quarrying
Products name
High quality Hex22 L400mm 1230mm tapered rock drill rod
Application
Mining / Quarrying / Tunneling/ Construction
Color
Black / Blue /Customized
Taper Degree
4°46'/7°/11°/12°
Rock Formation
Hard / Medium hard / Soft Rock Formation
Key Word
Tapered drill rod