SDP/SI custom gear solutions range from individual precision gears to custom gearboxes, superior mechanical components, and assembly of mechanical and eletromechanical assemblies. With engineering and manufacturing expertise we work with our clients providing unique solutions that meet their specific needs. Proven performance for aerospace, medical, defense, and robotics industries. Call... (read more)

Simple modifications to complex designs are handled by our engineers, machinists, and assembly technicians daily. Using CNC machines and Coniflex bevel gear generators we manufacture gears and mechanical components to precise specifications and world-class quality. From opening a bore to a complete custom gear we ensure the component will meet your need the first time and every time. (read more)

SDP/SI manufactures high-quality gears, mechanical components, and complex gear assemblies for the most well-known names in aerospace, medical and robotics. Engineering and manufacturing processes are done in house, giving us better control over lead times and responsiveness to our customer's requests. We look forward to working with you. (read more)

Stock Drive Products/Sterling Instrument, ISO 9001 + AS9100 certified, designs and manufactures custom components and assemblies to meet customers needs. Precision machining in a variety of materials, custom capabilites include precision gears, gearboxes, differentials, and planetary gearheads. (read more)

SDP/SI offers a variety of different worms and their mating worm gears. They are available in various materials, metal or molded. These can be made custom with different numbers of teeth, custom bores, and passivation for stainless steel. Our engineering department can help your find the solution for your specific requirements. (read more)

SDP/SI can create custom rigid couplings to fit your applications. These couplings can be made in 303 Stainless Steel or a variety of other materials and custom sizes to suit your specific needs. You can even send us a drawing and our engineering department will create a solution for you. With a quick turn around rate combined with technical and engineering support, SDP/SI is the only so... (read more)

SDP/SI is a leading manufacturer and global supplier of timing belts and pulleys. Not only does SDP/SI keep a large assortment of standard timing belts on-the-shelf, but has the capability to cut custom widths on demand from existing belt material in inventory. Available profiles include: Miniature FHT®, MXL, 40 D.P., XL, L, HTD®, GT®2, GT®3, and T. (read more)

SDP/SI excels at making quality timing pulleys, both machined and molded, in all different sizes. Because we already offer so many different materials, sizes and fastening methods, if one of our many off-the-shelf pulleys doesn't perfectly suit your needs, we'll make you one that does. With a quick turn-around rate and technical and engineering support, SDP/SI is the only source you need. (read more)

SDP/SI offers high-quality metric-sized timing belt pulleys in a variety of materials, sizes or finishes. They can be machined or molded to fit your specific requirements. With a quick turn-around rate, combined with technical and engineering support, SDP/SI is the only source you need for all of your applications. (read more)

SDP/SI offers both metal and molded plastic universal joints in a variety of styles. We can customize your universal joints with set screws, higher torque ratings or other special options. Our engineering department can help you find a solution to fit your specific requirements. With a quick turn around rate and technical and engineering support, SDP/SI is the only source you need. (read more)