T38 64 Thread Bits Posted By jinquanrockdrillingtools -
China
Summary: button bits 1 tapered 28mm 30mm 32mm 34mm 36mm 40mm 42mm 44mm degree taper 2
R32, T38 Thread Couplings Posted By jinquanrockdrillingtools -
China
Summary: thread connection couplings coupling sleeves lengths applications transmit