Extension rod, other names are Extension drill steel, Extension drill rod, and Extension steel, M/F rod ( Speed rod ) , Produce Hexagonal and round cross sections, Hexagon rods are more rigid, heavier and transfer energy more efficiently, while increasing flushing. Round rods are generally lighter than hexagonal rods and are normally used in extension drilling applications. With the longer steel tending to be larger in diameter, conventional
Drifter rod, another names are tunneling steels, tunneling rod, drifting drill rod, has Round and hexagon rod available, most of drifting drill steel with drill Steel Hexagon is for tunneling and drifting drilling application. Hexagon rods are more rigid, heavier and transfer energy more efficiently,while increasing flushing.
| Product Name: | Extension rod / Drift rod |
| Description: | Extension rod
Thread drill rod Made with best quality carbon steel bar, through heat treatment like famous brands |
| Material: | carbon steel bar |
| MOQ: | 5pcs |
| Body Type | Round shape and hexagonal type |
| Thread type | R25,R28,R32,R38,T38,T45,T51 |
| Diameter | Hex25,Hex28,Rd32,Rd38,Rd45,Rd51 |
| Type | Thread Extension Rod and MF rod |
| Length | 600mm-6400mm |
Main Products:
1-12 inch middle-low/high air pressure DTH hammers & bits
Big hole high air pressure DTH hammer using in water well, oil, gas and construction drilling
Eccentric overburden drilling Equipment
Hole opener bit
Rock thread bit (R22, R25, R28, R32, R35, R38, T38, T45,T51, ST58,GT60)
Extension Rod, M/F Rod, M/m Rod, Drift Rod,
Shank adapter, coupling sleeves and all kinds of adapters
Post time: Jul-29-2026