250 Duffy Avenue
Hicksville, NY 11801
Phone: (516) 328-3300
Setting Ideas Into Motion
Stock Drive Products/Sterling Instrument (SDP/SI) makes it easier for OEMs to get their products to market by designing and delivering precision components and complex drive assemblies while managing costs and inventories. Well known as the one-stop shop, we provide mechanical and electromechanical components, engineering development, precision manufacturing, and problem-solving customized solutions.
Established in 1950, we are a proven partner to the most recognized names in the medical, aerospace, defense, and robotics industries providing innovative solutions, world-class quality, and engineering support from concept to completion. We look forward to working with you!
SDP/SI has over 70 years of experience in engineering development and precision manufacturing for a diverse range of industries, including medical, aerospace, robotics, and industrial automation. Combining our engineering expertise in power transmission and motion control applications with a state of-the-art-manufacturing facility ensures our customers receive components and assemblies that meet their specific needs. SDP/SI is ISO 9001:2015 + AS9100D certified, ITAR, Reach, and RoHS compliant.
Offering a comprehensive selection of mechanical and electromechanical components, SDP/SI products are available with a wide range of standard features for easy integration intended for all applications. Shaftloc® and components featuring the Fairloc® Hub Design are exclusive to SDP/SI and provide added benefits:
- Buy online 24/7
- Timing Belts and Pulleys
- Precision Gears
- Motion Control Products
Beyond standard components, SDP/SI offers significant custom manufacturing capability to set your ideas into motion. Our engineers are always available for engineering and design support and we look forward to helping with your next project.
Visit www.sdp-si.com to find detailed product specifications, custom capabilities, 3D CAD models, product literature, and quality certifications. Check out our Engineering Resources for useful calculations, gear design, timing belt, and pulley design, and helpful calculators.