Top Hammer Drilling Tools

Extension rod

Product description: Thread: R25, R28, R32, R38, T38, T45, T51, T60, etc Length: 2100mm ~ 6095mm Rod type: hexagonal or round
INQUIRY

For extension rod, there are round type and hexagonal type. Both types are made by hollow drill steels and with thread at both ends.
The hollow hole is usually named flushing hole, used for transmitting water or air during drilling. Two ends threads can be used for connecting couplings, shanks or bits.
Thread: R25, R28, R32, R38, T38, T45, T51, T60, etc
Length: 2100mm ~ 6095mm
Rod type: hexagonal or round

PREVIOUS：Coupling NEXT：Threaded cross