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Stock Drive Products/Sterling Instrument - SDP/SI - Fast & Easy Access to 100,000 drive components

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This Web site features convenient mouse-over drop-downs, extensive product groups, a shortcut to the e-store and handy links to dealers and technical support. View or download detailed product pages and learn about our design and manufacturing capabilities. All are available from the home page. Don't delay. Get started now at: http://www.sdp-si.com/

Quick links (use the links below for additional specifications, data-sheets, catalogs and pricing information):

  • Our new interactive and easy to use home page

    • SDP/SI Extensive line of Gears -

      • ON-LINE eStore offers: Spur Gears, Plastic Gears, Helical Gears, Miter Gears, Bevel Gears, Precision Gears, Internal Gears, Pinion Gears, Rack Gears, Pinion Wire, Gear Blanks, Metric Gears, Pinions, Spiral Bevel Gears, Anti-Backlash Gears, Machined Nylon Gears, Splines, Splined Bushings, Gear Stock, Worms, Worm Gears, Ground Spur Gears, Plastic Gears, Differential Gears, Custom Gears, Brass Gears, Round Racks, Gear & Dial Hubs, Miniature Gears, Hubless Gears.

    • SDP/SI Extensive line of Pulleys -

      • ON-LINE eStore offers: Timing Pulleys, Flat Belt Pulley, Conidrive® Pulleys, Grooved Idler Pulleys, Step Cone Pulleys, Plastic Pulleys, Posi-Drive Pulleys, V-Belt Pulley, Timing Pulley-stock, Cable Pulleys, Flat Belt Drive, Synchronous Belt Drive, Precision Grooved Pulleys.

    • SDP?SI Extensive line of Belts -

      • ON-LINE eStore offers: Timing Belts, PowerGrip® TruMotion® Belts, Conidrive® Timing Belts, Routhane Belt Drives, V-Belts, Flat Belts, Posi-Drive Belts, Round Belts, Endless Belts, Tension Testers, Sonic Tension Testers.

    • SDP/SI Extensive line of Couplings -

      • ON-LINE eStore offers: Flexible Couplings, Rigid Couplings, Oldham Couplings, Bellows Couplings, Flexible Shaft Couplings, Spider Type Flexible Couplings, Fairloc® Rigid Shaft Couplings, Helical Couplings, Slit-Type Flexible Couplings, Neoprene Flexible Couplings

    • SDPI/SI Extensive line of Shaft Accessories -
    • ON-LINE eStore offers: Stainless Steel Shafts, Shaftloc™ Sleeves, Shaft Collars, Drill Rods, Hollow Ground Shafts, Shaft Reducers, Hardened Shafts, Precision Ground Shafts, Shaft Extenders, Fairloc® Shaft Collars, Bore Reducers, Keyless Bushings, Ball Splines, Tolerance Rings.

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  • Email us any applications questions you may have or any pricing inquiries...

Request or Download your Catalogs:

To View our entire product line including specifications, additional information and pricing and ordering information,click on the product areas below for more information:

About SDP/SI – Stock Drive Products / Sterling Instrument:

Stock Drive Products and Sterling Instrument are major ISO 9001:2000 Certified operating divisions of Designatronics Incorporated, a company that began in 1960 as a manufacturer of small mechanical products.

The company's three modern manufacturing plants, totaling 139,000 square feet, are located on technology-rich Long Island, New York. There, SDP-SI's experienced workforce designs, manufac-tures and distributes a diverse line of standard and custom, commercial and precision grade components, as well as a full range of electromechanical devices and assemblies.

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