STC Series STC34100 STC34150 STC34300

Tailored specifically for high-precision pipe threading operations, it delivers efficient cutting of both metric and imperial cylindrical and tapered threads. Beyond its core threading functionality, this multi-purpose machine tool supports a full spectrum of turning tasks, covering shaft and disc components with complex profiles including arc surfaces, conical surfaces, standard internal and external cylindrical threads. Widely adopted in petroleum, metallurgy, chemical, hydropower and geological exploration sectors, it excels in processing drill pipes, drill collars, tubing and petroleum casings. It is particularly optimized for casing machining in the oil and gas industry, maintaining consistent IT6-IT7 machining accuracy and achieving workpiece surface roughness as fine as Ra1.3μm. The STC series serves as a dependable, field-proven solution for mass production of high-quality petroleum pipe threads.