4 China 
1 Germany 
1 Netherlands 
1 Panama 
1 UK 
spiral drill collar Photos Catalog - page 64 - WorldBid B2B Market
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Core Drill RodMachine Tools - Other - Hubei Xinda Drilling Machinery Equipment Co.,Ltd - China - September 3, 2026 - contact company for priceThe core drilling pipe is made of geological alloy steel tubes through friction welding, high-pressure treatment and refinement. The pipe features good strength, high bending strength, and firm welding. It can meet the requirements for straightness d...
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Rc Drill RodMachine Tools - Other - Hubei Xinda Drilling Machinery Equipment Co.,Ltd - China - September 3, 2026 - contact company for priceReverse circulation drill pipe, also known as double-wall drill pipe, is a type of drilling tool used for reverse circulation drilling. It is composed of inner and outer layers of drill pipe (called inner pipe and outer pipe). An annular gap is forme...
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Corediam Core Drill Bit AdapterCutting Tools - Corediam Tools Co.,Ltd - China - September 16, 2026 - 1.00 Dollar US$The Corediam Core Drill Bit Adapter is designed for professional diamond drilling systems where the machine connection and core bit thread do not match directly. It provides a practical way to use compatible core bits across different drilling setups...