B19鉆(zhan)(zhan)(zhan)桿用(yong)于錨(mao)桿鉆(zhan)(zhan)(zhan)機上(shang),分為(wei)底節(jie)錨(mao)桿,中節(jie)錨(mao)鉆(zhan)(zhan)(zhan)桿,下(xia)節(jie)錨(mao)鉆(zhan)(zhan)(zhan)桿,鉆(zhan)(zhan)(zhan)桿之間可(ke)以用(yong)連(lian)(lian)接(jie)套連(lian)(lian)接(jie)。配用(yong)的是錨(mao)桿鉆(zhan)(zhan)(zhan)頭(tou)。B19錨(mao)桿鉆(zhan)(zhan)(zhan)桿與鉆(zhan)(zhan)(zhan)頭(tou)連(lian)(lian)接(jie)出螺紋為(wei)內(nei)M14×1.5或(huo)方牙,長度(du)0.4~2.8米
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