t51 external threaded sleeve online manufacture

Atlas / Furukawa / / Tamrock T51 Half-bridge Threaded Coupling Sleeve Drill pipe speed extension drill Elongated connecting rod coupled to the sleeve. High-quality steel and CNC machining to ensure that our ... Read More

Chinese manufacturer wholesale rock drill bits, drill rod, and shank adapter 1 Product feature of Rock Drilling Tools (1) Drill Bits Thread button position Thread button bit: can provide high quality and a ... Read More

Tunneling tools R25 R28 R32 hexagonal mining rock drill rod 1 Product feature of Rock Drilling Tools Description: Extension rods, also known as extended drill rods, extended drill rods, extended steel, M/F rods ... Read More