i have a ditch withch 520 and i am looking at buying a 920. i know there is a differrece of 1' of length on the rod, however, is there a differrence in the threads?
i want to use my sonde from the 520.
drill riod question
Member #: 60732
Registered: 7/29/2008
Posted:
240
Occupation:
underground construction
Location:
neo ohio
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