Custom Products

Stock Drive Products & Sterling Instrument - SDP/SI offers custom manufacturing for these products:

Gears

With so many different materials, sizes and fastening methods, SDP/SI offers many options for modifying standard gears or creating custom gears from scratch to your exact specifications. Be sure to ask about custom gearboxes and differentials as well. You can even send us a drawing, and our engineers will make sure your custom gear turns out perfect every time. (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)

Find your perfect gear or assembly by choosing from a wide selection of gear types and materials. If you can’t find what suits your specific requirements, don’t look further - our engineering team a solution and guide you throughout the process from start to finish. We offer competitive prices for custom materials, modules, pitches, pressure angles, finishes, bores, and more. (read more)

Precision Shafting

SDP/SI offers custom modifications and treatment options for precision shafting for your specific application. If a standard item isn't what you're looking for, we can provide grooves, custom lengths and diameters, custom finishes and other special features. Our engineering team will even help you design the perfect custom shaft for your specific application. (read more)

Rigid Couplings

SDP/SI can create custom rigid stainless steel couplings to fit your applications. These couplings can be made in other materials and custom sizes to suit your specific needs. You can even send in a drawing and our engineering department will create a solution for you. (read more)

Spur Gears

SDP/SI is unrivaled as a gear manufacturer. Standard stock for spur gears includes many different sizes, materials and styles, and any of these can be made with custom materials, finishes, bores, number of teeth and other special features. You can even send us a drawing to make your custom gear from scratch, or speak with our expert engineering staff to design one. (read more)

Timing Pulleys (inch)

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. (read more)

Timing Pulleys (metric)

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. If you want superior shaft clamping on your custom pulley, be sure to ask about Fairloc®. (read more)

Universal Joints

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. (read more)

Stock Drive Products & Sterling Instrument - SDP/SI is also listed in these categories:
  • Metric Gears
  • Rod End Bearings
  • Timing Belts (inch)
  • Timing Belts (metric)
  • Timing Pulley Flanges
  • Vibration Isolators and Machine Mounts