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-Thread bar types: extention rod and MF rod
-Length: 3090mm, 3700mm, 4305mm, 4915mm, etc.
-Rod size: H28, H32, H35, D39
-Thread size: R28, R32 and R35
-3 types of drill bits: cross bit, button bit and reaming button bit
-Bits diameter: button bit – 43mm to 127mm ; cross bit – 38mm to 51mm