
Custom Design Special Sprockets
Need a sprocket that doesn't come off the shelf? Donghua specializes in custom design special sprockets for unique applications. Whether it's a non-standard pitch, a special square hub, an unusual bore size, or a specific material, our engineering team works from your drawings to deliver a precision solution. As a world-class manufacturer since 1991, we have the experience and equipment to turn your requirements into reality.
Example of Our Custom Capability
| Project Feature | Your Custom Requirement | Donghua Solution |
|---|---|---|
| Product Name/Ref | Customer Design Special Sprocket 123.040.022-01 | Custom-engineered to drawing |
| Hub Design | Square Hub with two holes | Manufactured to exact geometry |
| Pitch | 69.85 mm (non-standard) | Precision-cut to specification |
| Roller Diameter | 15.88 mm | Matched to chain requirements |
| Bore Size | 90 mm | Machined to precise tolerance |
Our Custom Design & Manufacturing Process
- You Share Your Requirements: Provide us with your drawings, samples, or detailed specifications (pitch, tooth count, bore, hub type, material, etc.).
- Engineering Review: Our experienced engineers analyze your design for manufacturability, performance, and durability, offering suggestions if needed.
- Quotation & Confirmation: We provide a competitive quote and confirm the final specifications.
- Precision Manufacturing: We produce your custom design special sprockets using our advanced equipment (CNC, hobbing, etc.) and rigorous quality control.
- Quality Inspection & Delivery: Every sprocket is inspected before shipment to ensure it meets your exact requirements.
Customization Options Available
| Customization Parameter | Options |
|---|---|
| Hub Types | Square hubs, special-shaped hubs, single hub, both hubs, platewheel, etc. |
| Bore Sizes | Custom diameters, keyways, set screw holes |
| Pitch & Roller Dimensions | Non-standard pitches, custom roller diameters to match special chains |
| Materials | Carbon steel, alloy steel, stainless steel, cast iron, and more |
| Teeth Count | Any number, from small to large |
| Standards (or Non-Standards) | We can produce to ANSI, ISO, DIN, JIS, or no standard at all-your design is our guide. |
Why Choose Donghua for Custom Design Special Sprockets?
- Decades of Engineering Experience: Since 1991, Donghua has been a leader in power transmission. Our engineers understand the metallurgy, geometry, and performance requirements for sprockets in countless applications.
- Unmatched Manufacturing Capacity: With over 1,800 sets of advanced equipment, a 200,100 m² production area, and more than 3,100 skilled employees, we have the resources to handle any custom project, from one-off prototypes to large production runs.
- Vertical Integration: As a manufacturer of both chain and sprockets, we have unique insights into how they work together. This means your custom sprocket will be optimized for its mating chain.
- Quality You Can Trust: Our scale and experience mean consistent quality, on-time delivery, and a reliable partnership.








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