Gun Drilling is a process that uses long cutting tools to produce holes at high depth-to-diameter ratios. Cobore has over 27 years of experience developing techniques to achieve D:d ratios up to 800:1 while holding extremely tight positional tolerances.

Cobore specializes in holding tight positional requirements for Thru, Blind, Concentric, Eccentric, Angled, Intersecting & Cross Holes.

Size Range: .093" to 1.50" diameters (larger diameters with BTA drilling)

We are based in Houston and perform gun drilling services for projects and companies across the United States and worldwide.

Why Choose Cobore for Precision Gun Drilling Services?

Cobore owns some of the largest CNC gun drilling machines on the market. With six machines that can drill 90” blind or 180” from both ends, our department of highly skilled gun drillers is ready to put their knowledge to work for you.

Utilizing best-in-class equipment, Cobore continues to build on our reputation for personal service. Our experienced team of technical personnel will help match practical solutions to meet your production requirements. The level of collaboration you can expect from Cobore is unmatched. As a value-added service, Cobore will get involved during the design phase, providing recommendations for reducing cost and improving the manufacturability of parts with complex features. 

Industries we serve:

  • Oil & Gas
  • Military
  • Aerospace
  • Petro-chemical
  • And more!

Learn more about some of our other services here:

Contact Cobore for Gun Drilling Services

Our facility (located in Houston, Texas) and expertise allow us to provide superior quality, cost savings, and precision. We excel at custom jobs and difficult requests that most machine shops would turn away.

Contact us today to request a quote or ask any questions about our gun drilling service and capabilities.

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Contact Cobore for a Quote