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rock drill tool
Retrac Button Bit
1)thread:R22,R25,R28,R32,R35,R38,T38,T45,T51,ST58,T60
2)diameter:42-127mm
Thread cross bit
1)thread:R22,R25,R28,R32
2)diameter:33-64mm
Shank adaptors
1)thread:R28,R32,R38,R45,T45,T51,ST58,ST68,HL64
rock drill tool
