Hollow Grouted Self Drilling Tunnel Rock Bolt Mining Anchor Bolt Introduction Of Hollow Drilling Mining Rock Grouting Anchor Bolt 1, Hollow Drilling Mining Rock Grouting Anchor Bolt consists of hollow core with ... Read More
Mining Prestressed Hollow Grouting Anchor / Hollow Grouting Rock Bolts It is mainly applied in complex layer formation of broken rock, loose soil, weathering rock and so on which is difficult to make the hole. ... Read More
Self Drilling Anchor Bolt Drilling Anchor Rod Description: Self Drilling Anchor Bolts are a bolting solution for unstable ground conditions such as sand, gravel, silt, and clays, and in soft to medium fractured ... Read More
Mining Rock Bolts Self Drilling Anchor System Drilling Tools For Reinforcement The self-drilling hollow bar anchor system consists of a hollow threaded bar with an attached drill bit that can perform drilling, ... Read More
High Bending Strength Button Drill Bit Two-wing PDC Anchor Shank For Coal / Mining Introduction of PDC: Polycrystalline Diamond Compact(PDC), is manufactured with a diamond layer attached to a carbide substrate... Read More
27mm / 28mm Diamond Core Drilling Bits for Hard Stone Mining Drill Introduction of PDC: Polycrystalline Diamond Compact(PDC), is manufactured with a diamond layer attached to a carbide substrate. Combining the ... Read More