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Odering Code

This diagram will help you for better understanding of GSM's marking regulation of deep hole drilling machine

and gun drill. When make selection by models of GSM's machines. Use this diagram for quick selection, or just tell us

your drilling requirement, material, etc. through email sales@gsmdrilling.com ,and left the rest of the work for us.


Deep Hole Drilling Machine Ordering Code




Gun Drill Odering Code


Example: GSM03-QZ-16030X0630.05.N

Drill DiameterΦ16.03mm; Total Length630mm; Φ20X110 Drill Stock; Titanium Ntride Coating


Gun Drill Length Calculation


1.The normal size of blade diameter of gun drilling can be subdivided into 0.01mm according to customized 

   requirement.

2.When ordering, please indicate as per standard showed in the picture or just contact GSM by

   sales@gsmdrilling.com to follow the technical conduction.

3.The material information of workpiece which will be machined is necessary when making accurate order.

4.Drawing may be required, in case the ordered stock type is not included in GSM’s series.



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