Threaded hollow bar anchor for geotechnical/underground engineering/spiling bolt

US $35 / pc

Min. Order: 500 pc

V Kiln Refractory Anchor M-9

Soil nail full threaded steel bar PSB1080

Maxdrill hot sale R32 self rock anchor bar rock bolting

US $58 / pc

Min. Order: 1 pc

Hollow Grouting Gorut Rock Soil Bolt Anchor Bar for Tunnel Mining Rail Road

Screw thread steel bar

US $710 / ton

Min. Order: 20 ton