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Add: East Ronghe Road, Dalianwan Village, Ganjingzi District,

         Dalian 116113, Liaoning Province, P.R. China 

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Deep-hole Drills

Product scope

10xD~30xD Standard Products and Non-standard Customization Solutions


Suitable for deep hole processing of steel, cast iron and stainless steel


1. CNC use, all kinds of non-standard deep hole processing

2. Special machine use, large-scale deep hole processing


1, 135°drill point, excellent centering ability;

2. Double-edged belt design to improve the straightness of the hole;

3. Special groove design, mirror polishing of spiral groove, greatly

improving chip removal capacity;

4. necking design to reduce friction with hole wall;

5. TiAlN coating increases wear resistance and prolongs tool life.


1. High feed rate can reach 3-5 times of gun drill and high-speed steel drill.

2. High efficiency, no pecking cycle processing, no need to repeat drill withdrawal

and chip removal;

3. Suitable for low pressure cooling and MQL cooling processing.

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Deep-hole Drills