Gun drilling machine ZK21 series of GSM is horizontal layout and has the widest application range.

Drilling diameter is from 1.5 to 40mm. And capable gun drilling deep hole at length-to-diameter ratio 10:1 or more.

Fits for drilling rotary shaft parts like cylinder, tube and bar material, etc.  Typical suitable parts include cam shaft, needle valve, steering shaft, piston pin, ejector sleeve, gun barrel, etc. So the machines are the most common in industries like automobile, medical parts, hydraulic cylinder, textile machinery, military,etc. 

ZK21 series is introduced 1, 2 and 4 spindle design. Suitable for batch production of shaft parts’ deep holes. 

Additionally, the series is compatible with auto loading system.

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