High Precision Gun Drilling

When your application requires a precision drilled deep hole up to 256x's the diameter, gun drills are the tool for the job.  GenSwiss provides both solid carbide and standard steel standard sized drills with diameters down to 5/64in and OAL's as long as 48in. Custom drills can be ordred and designed with the proper material intended for the application.  Gun drills are available with coolant-thru holes for high pressure coolant.


Standard 1-Flute

Diameter (in) OALs (in) Flutes
5/64 6, 10 1
3/32 6, 10, 16 1
7/64 6, 10, 16, 28 1
1/8 10, 16, 22 1
9/64 10, 16, 22 1
5/32 10, 16, 22 1
11/64 10, 16, 22 1
3/16 10, 16, 22, 28, 36, 48 1
13/64 10, 16, 22, 28, 36 1
7/32 10, 16, 22, 28, 36 1
15/64 10, 16, 22, 28, 36 1
1/4 10, 16, 22, 28, 36, 48 1

Solid Carbide 1-Flute

Diameter Range (in) OAL Range (in)
.0450-.0619 4 - 6.5
.0530-.0619 4 - 7.8
.0620-.0759 4 - 11.5
.0760-.0849 5 - 11.5
.0850-.1059 5 - 11.5
.1060-.1399 6 - 11.5
.1400-.1620 6 - 13.5


Special Coatings Available: TiN, TiCN, TiAIN, CrC
Special Nose Grinds Available: N-4, N-13, N-73


Custom TWINMASTER™ 2-Flute

Diameter Range (in) OAL (in)
.197-.500in To Order
.501-.750in To Order


Call For More Details


GenSwiss 2019 Catalog

Utilis 2020 Catalog

GenSwiss REACH Compliance Declaration