Stock Drive Products/Sterling
Instrument (SDP/SI) manufactures mechanical
components for varied product applications. Our
precision gears, machined parts, molded components,
and drive assemblies can be found in high-tech
operating rooms, movie sets, military operations, space
exploration, and even on Mars. Partnering with OEMs
around the world we manufacture and manage supply
chain of components required for medical, surgical
robotics, aviation, satellites, defense, automation, and
commercial industries. SDP/SI sets ideas into motion.
Established in 1950, SDP/SI provides exceptional
services, inch and metric component choices, and
design solutions. Completed December 2016, our
96,000 square foot state-of-the-art Hicksville, NY
facility houses the latest manufacturing, industrial
automation, and inspection equipment. Employing
skilled machinists, CNC programmers, inspectors,
engineers, and customer service personnel, we meet
the highest-quality standards your business deserves.
Standard catalog components can be found and
purchased online where free 3D CAD models and part
specifications can be easily downloaded.

Facing a design challenge? SDP/SI supports many
Fortune 500 companies in new and exciting projects.
Applying years of experience, product knowledge, and
design acumen our engineering and manufacturing
teams provide innovative solutions through part
selection, modifications, or custom design. Sometimes
the best solution is the simplest. Standard components
are a cost-effective option and with 87,000 inch and
metric, machined and molded components offered,
SDP/SI is the engineers preferred source.

 Timing Belts and Pulleys
? Precision Gears
? Precision Gearboxes
? Bearings
? Couplings
? Hardware
? Precision Machined Components
? Molded Components
? Mechanical Assemblies
? Contract Manufacturing

With the focus on our customers, SDP/SI recently
acquired a 3D printer. Primarily used for prototypes
and low volume production, our customers are
already benefiting. Printing high-quality components
and assemblies, we are getting their designs into
production faster.
Our manufacturing capabilities include precision gear
cutting, 5-axis milling, 9-axis Swiss turning, and world
class quality. Custom material and finish options are
available. For prototypes to large scale production, see
what SDP/SI can do for you. ISO 9001:2015+AS9100D
certified, ITAR, Reach, and RoHS compliant.
SDP/SI is an award winning company located on Long
Island, New York.