Deep Hole Gun Drilling Tools & Services

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

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

Size Range: 0.156" to 1.50" diameters (larger diameters with BTA drilling)

Why Choose Cobore for Precision Gun Drilling Services?

Contact Cobore Today for a Quote on Your Gun Drilling Project

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:

To talk to us about your project and to get an estimate, don't hesitate to contact us today about our deep hole drilling and machining services and capabilities.

Cobore — Providing Gun Drilling Services Worldwide

Expert Deep Hole Drilling & Machining Services

Cobore Inc. is an ISO 9001–2015 Certified facility specializing in precision deep hole drilling and machining services of long parts that require difficult internal features with tight positional tolerances. We guarantee exceptional quality with a focus on our customers' economic drivers, resulting in cost savings and shorter lead times. We are committed to providing the highest level of service and on-time delivery

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