Phone: 262-252-3802
Fax: 262-252-4075

Division of Entrust Manufacturing Technologies, Inc.
Please visit: UNISIG

Mailing Address:
N58 W14630 Shawn Cir.
Menomonee Falls, WI 53051 US

A Special Message from UNISIG

UNISIG B500 Deep Hole Drilling Machine

Thank you for your interest in UNISIG Products.

Please visit our website at to learn about deep hole drilling applications, and how UNISIG machines can benefit your factory.  UNISIG also provides durable tooling, custom automation, and a capable team of engineers that can help find solutions for your application.

UNISIG offers Express Delivery Machines in popular models and lengths at reduced lead times.  Machines can be configured with tooling to specific drilling diameters.  Please request a quote at for current availability.

Company Profile

UNISIG engineers and manufactures   deep hole drilling   equipment to the highest performance standards, from the machine itself, to durable tooling and accessories, to automation.  An experienced team of engineers constantly improves deep hole drilling technology, introduces new applications, and provides comprehensive customer support.

UNISIG equipment is currently used worldwide by industry leading manufacturers, for applications including oil and gas exploration, aerospace manufacturing, hydraulic cylinder production, and more.

UNISIG machines and tooling are designed and manufactured in the USA.

Product Categories of UNISIG

  • Drilling Machines, Deep Hole (Gundrilling)


Deep Links

As seen in MMS

Guide Highlights Durable Tooling
A Durable Tooling Guide available from Unisig features information on the company’s components and tooling for BTA deep-hole drilling machines.

Combining Skiving and Burnishing for Cylinder Bores
Machines engineered specifically to perform skiving and roller burnishing operations deliver precise roundness tolerances and quality surface finishes.

Machine Line Designed for High Precision Skiving and Roller Burnishing
Unisig Deep Hole Drilling Systems offers the S-series machine line for the skiving and roller burnishing process at IMTS 2012.

Pull Boring Highlights the Capability of Deep Hole Making
Pull boring enables users to achieve remarkable straightness in deep holes. A variation of this technique is also effective when maintaining consistent wall thickness (in long, cast pipes, for example) is top priority.