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Stock Drive Products / Sterling Instrument
ISO 9001 + AS9100 Certified

Setting Ideas into Motion

SDP/SI - Stock Drive Products/Sterling Instrument provides mechatronic based design, engineering and manufacturing services for medical, aerospace, industrial and commercial applications.

Providing Product Solutions Since 1950

Since 1950, design engineers have depended on SDP/SI for high-quality mechanical components, assemblies, custom solutions, and engineering expertise. As a company founded and managed by engineers we understand and respond to the developing needs of our customers better than anyone. Over 100,000 inch and metric dimensioned components are available as standard catalog items for fast turnaround. When a standard product won't meet your requirements we can provide alternative solutions through custom design and manufacturing. Our engineering and manufacturing teams will partner with you throughout the entire process. By providing design, development, manufacturing, assembly, and testing in one location we can ensure the end product will meet your expectations.

Dedicated to Making High-Quality Machined Parts, Molded Components
and Precision Gearing

Our commitment to quality results in superior products. We continuously develop and invest in new technology, processes and methods to provide the highest-quality mechanical components, precision gears and gear assemblies. As a precision gear and small mechanical component manufacturer, we excel in every aspect of the process. We continue to set ideas into motion, whether it's a miniature pump used to dispense medication, a satellite for communications, a 3D printer or the Mars Rover, SDP/SI leads the way in offering innovative solutions.

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SDP/SI - Stock Drive Products / Sterling Instrument QTC METRIC GEARSQuality Bearings and Components
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