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.

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