UNISIG is the leading producer of gundrilling and BTA deep hole drilling machines

Our industry-leading customers around the world rely on UNISIG® deep hole drilling technologies for
powerful, intuitive capabilities. We engineer our machines to handle a complete range of applications,
and support them with our high level of expertise and service.

Standard Gundrilling Machines

Job Shops & Production Drilling

Optimize your throughput and increase your shop’s capabilities with machines designed to grow along with your business.

Production Deep Hole Drilling and Automation

Modular Machines for Production Drilling

Master high-volume production with a wide range of capabilities, from gundrilling and BTA drilling to automated workflows.

High Power BTA Drilling Machines And Trepanning

BTA drilling 25 mm to 300 mm up to 12 m deep (1” to 12" up to 40' deep)

Push the limits of BTA drilling, with on and off-center capabilities that offer intuitive operation.

Mold Making Gundrilling and Milling Centers

High Efficiency Deep Hole Drilling and Machining for Mold Production

Apply 5-axis positioning to mold making tasks, with fewer setups and intuitive controls.

Skiving & Roller Burnishing Machines

Hydraulic Cylinder and Tube Finishing

Achieve unparalleled accuracy on machines with rapid tool changeovers and easy part loading.


Watch on-demand videos of UNISIG machines, processes, automation and more.

Customer Success Stories

Learn how UNISIG machines help our customers succeed, with proven applications and benefits.

production deep hole drilling


Find the right UNISIG technology for your unique challenges.


Learn about UNISIG’s history and our unique approach to developing custom solutions.