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This machine is special for threading drill collar. It has the advantage of high
accuracy, high rigidity, big power etc. Machine bed is 45degree slant. The guide way is steel inlaid
guideway. Use 8-station electric turret for outside screw, dual immovable tool rest and
compound tool bar for inside screw, tool setting is convenient. Spindle is high accuracy, high rigidity,
can assure drill collar thread quality. It has automatic lubricating and oil way fault alarm
function. Equipped with big power centrifugal cooling pump, prolong the cutter life. The machine is
full closed covering, good water proof. With auto pipe loading/unloading device, work efficiency is highly
improved.