STOCK DRIVE PRODUCTS/STERLING INSTRUMENT 250 Duffy Ave. • Hicksville, NY 11801 • 516-328-3300 www.sdp-si.com We make high-quality, high-precision small mechanical components and assemblies for critical motion control applications. Whether you need custom design and manufacturing to meet your requirements or a standard catalog item we can meet your needs. Standard components available include timing belts, pulleys, precision gears, bearings, couplings and many more. Categories: Timing Pulleys & Belts • Gears • Gearboxes • Machining - Precision CNC • Machining Certifications: ISO 9001 • AS9100 • Boeing BQMS Certified