5 Inches Reverse Circulation DTH Drilling Tools , Rock Drill Steel And Bits Introduction of Reverse Circulation Drilling Reverse Circulation drilling, referred to as "Centre Sample Recovery" or "Dual Wall ... Read More
Concentric Overburden Rock Drilling Tools , Water Well Drill Bits With Blocks Application Range It is recommended to drill in rock formation where contains some ovals and fractures. Design Principles Make the ... Read More
Durable Water Well Drill Bits Symmetric / Concentric / Overburden Casing Drilling System The symmetric/Concentric drilling system is designed to drill and case a hole simultaneously through unstable ground ... Read More
Professional DTH Drilling Tools Eccentric Casing Overburden Drilling System Eccentric Reamer System Step-by-step 1. When drilling starts, the reamer swings out and reams the pilot-hole wide enough for the ... Read More
6 Inch Hydraulic Pdc Drag Bit Drilling Carbon Steel With Long Bit Life PDC drill bit is mainly used for drilling soft-medium formation, such as mud stone, limestone, shale, sandstone and granite etc. pdc drill ... 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
46mm Matrix Body Pdc Drill Bit Flat Face Drill Bit Boring Hole For Oil Well Drilling 46mm matrix PDC bit/Boring hole pdc matrix drill bit/flat face drill bit is made by with PDC cutter brazed to Matrix Body. ... Read More
Reaming Button Bit + Pilot Adapter R25 R28 R32 Hard Rock Tungsten Carbide Description: These bits are designed for layer drilling, to enlarge pilot holes for long hole blasting of drop raises in underground ... Read More
R32 T38 Reaming Drill Button Bit Rock Drilling Tools Blast Hole Drilling Our Service: Compared with the oversea brands, our advantages are bellowing: 1. Our products can match over 95% against the original ... Read More