cnc drilling

Concentric Hole Gun Drilling Machine

Deep hole drilling machine ZK21 series is for gun drilling process. Fits for drilling concentric hole of rotary shaft parts. Realizes multiple spindle design (1,2,4 spindles or customize). CNC controlled drilling operation. Widely aplied in almost all industrial field such as auto parts, medical, hydraulic, gun barrel, etc. Drilling diameter is from 1mm to 30mm. Maximum drilling depth is 4000mm.

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Multiple Hole Gun Drilling Machines

The series includes ZK21C and ZK21E CNC drilling machine tool. Because of lateral travelling device, the workpiece can be lateral moved. Besides, ZK21E gun drill machine contains hydraulic indexing device, thus,realizes multiple deep hole drilling such as concentric,eccentric and indexing holes.1 and 2 spindles design for different requirement. Widely used in hole drilling of heavy machine parts like mining and textile machine parts ,etc. Drilling diameter is from 5mm to 30mm. Drilling depth is up to 3000mm.

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cnc drilling machine price

3-axis Gun Drilling Machines

The series of deep hole drill mchine meets long hole drilling requirement of heavy and special shaped workpiece. Based on movement of worktable and drilling spindle, realizes CNC drilling of concentric, eccentric and indesing holes. AC servo motor controls movement on X-axis(lateral), Y-axis (vertical) and Z-axis (feeding).Widely used in deep hole processing of heavy parts of mould,valve,pump,engine, etc. 1,2 and 4 spindle design for different requirement. Deep hole drill diameter is from 5mm to 35mm. Maximum hole drilling depth is 2200mm.

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BTA Drilling Machines

BTA drilling machine is mainly to drill large diameter deep hole (diameter no less than 16mm). The machine is also capable to drill large length-to-diameter ratio (400:1). Compare with gun drills, BTA tools have higher rigidity. The efficiency is also about 2-4 times higher than gun drilling. Especially suitable for drilling material like stainless steel, low-carbon steel, etc. Typically used in high volume and constant processing situation. Besides drilling, deep hole boring function is also combined. The drilling diameter is from 16mm to 100mm. Boring diameter range is 40mm – 150mm. Maximum drilling depth is 4000mm.

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deep hole tools


GSM is also a main deep hole drilling tools company of China.  Mainly R&D and manufacture gun drills. Our gun drill’s diameter starts from 3 mm to 50mm. And maximum length reaches 4000mm. For years of efforts, we provide all kinds of gun drills like brazed gundrills, single liped, double liped and coated types for momrnt to meet  one-stop purchasing needs.Our drilling tools are guaranteed high rigidity and long service life. Besides standard ones, also can customize in term of drawings, coming samples or specific requirements.

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deep hole machining


GSM deep hole drilling service is mainly for parts customization. With our own R&D and facilities, we can provide complete in-house machining service for all kinds of parts. All work is strictly in term of drawings, coming samples or detailed requirement description. It’s no need to buy machines, but just send your materials to us and let us do the rest. With fair and reasonable price, this will also improves your drilling economy and save your energy. Besides drilling, basic turning, milling,etc is also available. Guaranteed high quality.

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Specialized in deep hole drilling machine manufacturing from 1974, as Xi’an Machine Tool Factory. And was pointed by former National Machinery Industry Minstry of China, the factory mainly focused on drilling diameter smaller than 30mm. From then, the factory became a leading drilling machine company of China.

After reformation of hthe facory, GSM has been established as aspecialized deep hole drilling machine manufacturer in 2004. Because of heritage of Xi’an Machine Tool Factory, GSM is still leading the trend in this field of China today. Now, GSM has developed all types of deep hole drilling machines includes gun drilling and BTA. Capable to solve drilling diameter from 1.00mm to 150.00mm. The maximum drilling depth reaches 4000mm. All machines are CE certificated. 

For years of efforts, GSM has earned high reputation among clients in domestic market. And now is also serviing clients in German, Turkey, Phillipines, etc. 

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