Designatronics Inc., Engineered Solutions for a World in Motion (800) 819-8900

Our Brands:

Stock Drive Products/Sterling Instrument
Setting Ideas Into Motion
(SDP/SI) - Since 1950, SDP/SI has been “the source” for comprehensive mechanical solutions for critical motion control applications. Thousands of standard catalog items are available, offering inch and metric dimensioned, precision and commercial grade components to fit a broad range of requirements. High-quality machined parts, molded components and custom gearing and gear assemblies are built for a wide spectrum of applications, including commercial, industrial, medical, aerospace and defense.

Run by engineers for engineers, you can rely on SDP/SI for high-quality standard components, customized design and full engineering and technical support.
Quality Bearings & Components
The Bearing Marketplace
(QBC) - Quality Bearings & Components offers a large inventory of high quality small inch and metric bearings from major manufacturers. Our services include bearing lubrication and maintenance capabilities. We provide the best selection of components and bearing maintenance equipment available today.

Supplying North America with Metric Gears
(QTC) - QTC METRIC GEARS is your complete source for metric gears and gear products, in North America. With 20,000 configurations of standard items we are able to meet the ever increasing demand for metric gears for both replacement and OEM production quantities in industrial applications.


Quality Burs Made in the USA.
WYBUR Tools - Production facility for high-speed steel and carbide burs. Known for their cutting precision and consistency of performance.

Engineered Solutions
For A World In Motion

Designatronics is dedicated to developing, manufacturing and distributing the highest quality mechanical components, engineered solutions and services on time to the customer's request.

The combination of our brands, manufacturing expertise and mechanical acumen makes us uniquely qualified to provide complete engineered solutions to all of our customer's automation, motion control and vibration challenges across a wide spectrum of industries.

In The News: