H306022L
XH Rotary Bit H306022L
Suitable for relatively solid formations below 80MPa: solid sandstone, limestone, dolomite, sandy shale, shale sandstone, quartzite, solid limestone, medium and weakly weathered rock formations, and weak granite; economical to use below 90MPa
Browse NowH306025
XH Rotary Bit H306025
Suitable for relatively solid formations below 90MPa: solid sandstone, limestone, dolomite, sandy shale, shale sandstone, quartzite, solid limestone, medium and weakly weathered rock formations, and weak granite; economical to use below 90MPa; limit 110MPa ,
H306030
XH Rotary Bit H306030
Suitable for relatively solid formations below 100MPa: solid sandstone, limestone, dolomite, sandy shale, shale sandstone, quartzite, solid limestone, medium and weakly weathered rock formations, weak granite; economical to use below 90MPa; limit 110MPa ,