TIDEWAY LONG SHANK DRILL BIT SDS MAX T.C.T TUNNEL DRILL FOR STONE OR WALL

Self-drilling anchor bolt R25 for tunnelling and geotechnical engineering

US $9 / M

Min. Order: 2000 M

Crawler type fully hydraulic tunnel drilling rig for coal mines

Maxdrill MF R32/R32 shank rods 32 for tunneling&drifting

US $4.3 / pc

Min. Order: 5 pc

Hollow Grouting Drill Bit Tunnel Track Rail Road Rock Bolt

Drifting and Tunnelling

Hykd-3b full hydraulic tunnel drilling rig

R28 button bit for rock drilling/tunneling and drifting

US $13.5 / pc

Min. Order: 10 pc