Sugino Machine Limited is a Japanese deep hole drilling machine manufacturer. The GUN FEEDER gun drilling machine drills small-diameter deep holes from 0.9 to 5.0 mm diameter up to 300 mm deep with high precision.
Sugino Machine is an industrial machinery manufacturer founded in 1936 and based in Toyama Prefecture, Japan, where its headquarters and main factory are located. Its GUN FEEDER is a dedicated small-diameter deep hole gun drilling machine line offered in single-spindle, two-spindle, workpiece-rotation (LR) and X-Y table configurations, using Sugino’s slide-type whip guide system for high-precision deep hole drilling.
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Company information is based on Sugino Machine Limited's public website and was last reviewed on 2026-08-10. Verify specifications directly with the supplier before purchase.
| Attribute | Detail |
|---|---|
| Machine types | GUN FEEDER small-diameter deep hole gun drilling machines: single-spindle and two-spindle models, Gun Feeder LR with a workpiece rotation unit, and a Gun Feeder with X-Y table — using Sugino’s slide-type whip guide system for high-precision gun drilling of small-diameter deep holes. |
| Bore range | 0.9–5.0 mm |
| Max drilling depth | 300 mm |
| Processes | gun-drilling |
| Workpiece materials | S45C carbon steel, SCM alloy steel, SUS stainless steel, aluminum, titanium alloys, hardened/carburized steel (HRC40) |
| Applications | fuel injection nozzles, sleeve pins for molds, parts for hydraulic machines, parts of medical devices, parts of semiconductor manufacturing devices, parts of electronic devices, oil holes of cutting tools, jig tables, molds |
| Certifications | — (to be published) |
Japan · USA · Mexico · France · Germany · China · Thailand · Singapore · Indonesia · India
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Contact Sugino directly for pricing, specifications and delivery.
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View profile →Twist drills need to perform deep hole processing via step feeding, requiring a large amount of processing time. Since gun drills can process without step feeding, they perform hole drilling with very high efficiency.
In general, it can drill to a depth of about 50 to 100 times that of the hole diameter.
Straightness can be kept below 0.01 mm for a length of 150 mm and off-center precision below 0.2 mm for 150 mm. With the Gun Feeder LR rotating the workpiece opposite to the gun drill, off-center precision can be kept below 0.03 mm for 150 mm lengths.
Yes. The gun drill has processed holes in SCM (hardness HRC40) at a grade of 5 and depth of 273 mm, and carburized and hardened materials at a grade of 3.5 and depth of 134 mm.