Designatronics Inc., Engineered Solutions for a World in Motion (800) 819-8900
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SDP/SI is a well-known manufacturer of high precision custom gears for a wide range of applications, including but not limited to the aerospace, defense and medical industries. In addition to our custom capabilities, we offer hundreds of cost effective, off-the-shelf standard gears which are available in metal and plastic materials. Many of our stock gears are available or can be made with the superior Fairloc® hub design. Learn more about Fairloc® here.

Follow the links below for complete product specifications, price and availability, technical information and to download 3D CAD Models directly into your design:

» Fine Pitch Inch and Metric Gears (Standard and Custom)
» Coarse Pitch Metric Gears

Inch & Metric Gears Available Off-the-Shelf

Gear Types: Anti-backlash Gears, Bevel Gears, Cluster Gears, Differential End Gears, Gear Blanks, Helical Gears, Internal Gears, Miter Gears, Gear Racks, Spur Gears, Screw Gears, Worm Gears and Worms
Pitch: 120 – 16
Module: 0.2 - 10
Materials: Stainless Steel, Steel, Brass, Aluminum, Nylon, Acetal
Available Modifications: Bore Sizes, Keyways and Hub Lengths. These modifications can be made at prices considerably lower when compared to the cost of custom made gears.

Gear Manufacturing Capabilities

Turning: Standard: 1/4" to 6” OD • Custom: to 8" OD
Milling: Standard: 8" x 12" • Custom: 12" x 20"
Gear Cutting: Gears and Racks: Standard – 16 DP to 120 DP • Custom – to 200 DP
Worms and Worm Wheels: Standard – 16 DP to 72 DP
Machining Tolerances: ± 0.0001"
Gear Cutting Tolerances: Molded Gears: up to AGMA 8 • Ground Gears: up to AGMA 14
Available Materials: Acetal, Aluminum, Brass, Bronze, Cast Iron, Greek Ascoloy, Iconel, Nylon, Steel Alloys, Stainless Steel, Titanium

Gear Assembly

As an AS9100 registered company, we provide gearboxes, planetary gearheads and differentials for aerospace and commercial applications. ISO 7 / 10000 Class Clean Room

When Your Design Requires a Custom Plastic Component

Plastic Gears We mold AGMA 5 and better quality plastic gears and sprockets that are RoHS and REACH compliant. Learn more about our plastic molding design capabilities.

If you would like to receive pricing information for your application, select the link to our Product Inquiry Form.

Learn About Gear Design

We provide reference material detailing topics such as: gear design, spur gear calculations, gear types, worm mesh calculations, strength and durability of gears, and the design of plastic gears. If you would like to view the entire Gear Technical Section, select the link to our Elements of Gear Technology

Other Components

Fairloc® Fastener, Shaftloc® Fastener, Shafting, Gear Clamps, Gear and Dial Hubs, Pinion Shafts, Pinion Wire, Spur Gear Stock, Gear Couplings, Gearboxes, Differentials, Gearheads and Speed Reducers