Deep hole drilling is defined as precise hole processing at 10:1 length-to-diameter ratio. As has been developing for more than 30 years, GSM is now a leading drilling machine manufacturer of China. With strong R&D ability, GSM provides complete solution to improve your productivity. At the moment, GSM support clients with gun drilling machines, BTA machines, gun drilling tools and machining services. 

Gun Drill Machine >

Deep hole gun drilling machine is mainly to drill hole diameter no bigger than 40mm and length-to-diameter raito no less than 10:1. Use gun drill as cutting tool. The gun drill machine of GSM can drill multiple deep holes. Widely used in industries such as auto parts, machinery, hydraulic, etc.

BTA Drilling Machine >

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). Use BTA drilling tool. The efficiency is about 2-4 times higher than gun drilling. Especially suitable for drilling material like stainless steel, low-carbon steel, etc.

Gun Drill Tool >

Gun drill is a kind of cutting tool of gun drilling.The gun drilling tools are consisted of bits, tubes and shanks. GSM produce drilling tools of all types and size with high dimensional precision and rigidity. 

Deep Hole Machining > 

GSM mainly provides CNC deep hole machiing services for kinds of parts. Supported by GSM R&D and facilities. Enable to process in term of specific requirments, drawings ans samples, etc.


GSM is an ISO and CE certificated enterprise. Besides, the company owns more than 20 types of certificate of state patent. For years, GSM has been a ” National High-tech Enterprise”.


Since 1970s, specialized in deep hole drilling solutions. And produced the first drilling machine of China. Now, GSM is also a leading manufacturer of China.Now and has been in the industry for more than 30 years.


Begin as a machine tool factory and specialized in R&D and manufacturing machines for metal cutting since 1950s.Till now, GSM has been in metal cutting filed for more than 50 years.


GSM has served more than domestic 500 clients from industries like automobile, mould, petrochemical, mineral machinery, etc. Since 2006, GSM began to serve overseas like German, Phillipines, etc.