China Taper Threaded Extension Drill Rod for Rock Drilling, Find details about China Rock Drilling Rod, Threaded Drill Rod from Taper Threaded Extension Drill Rod for Rock 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: Tungsten Carbide and Alloy Steel with CNC milling and heat treatment.
4. Related Accessories: Shank adapter, Coupling Sleeve, Retrac Bit, Button Bit, Reaming Bit are available.
i. e.: Thread R25
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