China Rocks Drill Taper Threaded Rods for Tunneling and Drifting Drilling, Find details about China Tunneling and Drifting Drilling, Speed Drill Rod from Rocks Drill Taper Threaded Rods for Tunneling and Drifting Drilling
1. Thread: R25 R28 R32 T38 T45 T51.
Diameters: Hex25,Hex28, Hex32, Hex35.
2. Supplying Types: Hex., Drifter Rod, Extension Rod, Speed Rod, Male Female Rod.
3. Material: High Manganese Steel with Hot-Rolled Cold Drawn.
4. Related Accessories: Shank adapter, Coupling Sleeve, Retrac Bit, Button Bit, Reaming Bit are available.
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