UNISIG is the leader in deep hole drilling and
gundrilling machines and technology

Our industry-leading customers around the world rely on UNISIG deep hole drilling solutions 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.

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 with 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

BTA drilling 1” to 12” up to 40’ deep” (2.5 cm to 30.5 cm up to 12.2 m)

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

Mold Making Machines

Milling & Drilling for Mold Manufacturing

Apply 5-axis performance to mold making tasks, with custom setups and intuitive controls.

Skiving & Burnishing Machines

Cylinder and Tube Finishing

Achieve unparalleled accuracy on machines that provide 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.