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Help CenterReliable Industrial and Agricultural Sprocket Solutions for Heavy Duty Equipment and Machinery
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Hebei Speed Torque Transmission Technology Co., Ltd. has been a trusted manufacturer of power transmission components since 2017, specializing in reliable industrial and agricultural sprocket solutions for heavy-duty equipment and machinery. With a factory spanning 3,000–5,000 square meters and a dedicated team of 101–200 employees, we combine precision engineering with rigorous quality control to deliver sprockets that withstand the toughest operational demands. Our ISO 9001-certified production processes ensure consistent performance, whether your application involves mining conveyors, agricultural harvesters, or construction machinery. By leveraging advanced heat treatment techniques and high-grade alloy steels, we provide sprockets that maximize service life and reduce downtime – a critical advantage for any heavy-duty operation.
Our product range covers all standard ANSI chain pitches (40, 50, 60, 80, 100, 120) and tooth counts from 6 to 120, with both simplex, duplex, and triplex configurations available. Each sprocket is precision-machined to ensure accurate tooth profiles and tight tolerances, resulting in smooth engagement and minimal wear. Key technical features include:
- Material Options: Carbon steel (C45, 40Cr), alloy steel (20CrMnTi, 42CrMo), and stainless steel (304, 316) for corrosive environments.
- Heat Treatment: Case hardening, induction hardening, or through hardening to achieve surface hardness of 45–60 HRC.
- Surface Finishes: Black oxide, zinc plating, phosphating, or paint for enhanced corrosion resistance.
- Bore Options: Finished bore with keyway and set screw, pilot bore, or custom bore to match your shaft dimensions.
- Customization: Non-standard tooth shapes, special hub configurations, metric dimensions, and additional machining (e.g., tapped holes, sprocket teeth modifications) are available upon request.
| Parameter | Specification |
|---|---|
| Pitch Range | 6.35 mm (¼”) to 101.6 mm (4”) |
| Teeth Count | 6 – 120 teeth (stocked); can go up to 200 teeth |
| Max Outer Diameter | Up to 1,500 mm (customized) |
| Hardness (Case) | 45 – 60 HRC (depending on material & treatment) |
| Bore Tolerances | H7, H8, or custom |
| Weight Range | 0.2 kg (small sprocket) up to 200 kg (large industrial sprocket) |
Why our sprockets excel in heavy-duty environments? The combination of high-grade materials, precision machining, and advanced heat treatment yields sprockets that can handle high torque loads, abrasive dust, and continuous operation. For agricultural equipment such as combines, balers, and seeders, our sprockets resist corrosion from fertilizers and moisture while maintaining tooth strength. Industrial applications like bucket elevators, conveyors, and paper mills benefit from our ability to produce large-diameter sprockets with multiple strands and custom hubs. Each batch undergoes dimensional inspection and hardness testing to guarantee consistency.
We understand that downtime costs money. That's why we offer fast turnaround on standard items (usually within 7–15 days) and can expedite custom orders upon request. Our packaging ensures sprockets arrive without damage – wrapped in oiled paper, placed in sturdy cartons or wooden crates, and secured for ocean, air, or land freight. With annual exports of US$5 million to US$10 million and a factory employing over 100 skilled workers, Hebei Speed Torque has the capacity and expertise to serve OEMs, distributors, and end-users across global markets including North America, South America, Europe, Southeast Asia, Africa, and the Middle East. Our products are shipped from major Chinese ports such as Shanghai, Tianjin, and Qingdao, ensuring efficient logistics.
Trust built through certification: Our ISO 9001:2015 quality management system covers every stage from raw material procurement to final inspection. We also adhere to ANSI B29.1 standards for chain sprockets, giving you confidence in compatibility with leading chain brands. Our technical team is always ready to assist with selection, installation, and modifications – simply provide your chain specifications or a sample/ drawing, and we’ll deliver a sprocket that meets or exceeds your requirements.
Choose Hebei Speed Torque Transmission Technology Co., Ltd. for sprockets that keep your heavy-duty equipment and agricultural machinery running reliably. Contact us today to discuss your project, request a quote, or sample testing. We look forward to powering your operations with durable, precision-engineered sprockets.
Frequently Asked Questions
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Q: What materials do you offer for heavy-duty sprockets?
A: We use carbon steel (C45, 40Cr), alloy steel (20CrMnTi, 42CrMo), and stainless steel (304, 316). For extreme wear, we recommend hardened alloy steel with a case hardness of 55–60 HRC. -
Q: Can you customize sprockets with non-standard bore, keyway, or special tooth profile?
A: Yes, we offer full customization. Simply provide a drawing or sample – we can modify bore size, keyway dimensions, hub length, and even tooth geometry to meet your specific application. -
Q: What is the minimum order quantity (MOQ) for sprockets?
A: For standard sizes (e.g., common pitches and teeth counts), MOQ is 10 pieces. For custom designs, MOQ starts at 50 pieces, but small batch runs are negotiable. -
Q: What are the typical lead times?
A: Standard sprockets ship within 7–15 days after order confirmation. Custom orders usually take 15–30 days depending on complexity and quantity. We can arrange expedited production for urgent needs. -
Q: Do you provide surface treatments for corrosion resistance?
A: Yes, we offer black oxide, zinc plating, phosphating, and painting. For agricultural or outdoor use, zinc plating is recommended, while black oxide is suitable for oil-lubricated environments. -
Q: How do you ensure the sprocket fits my existing chain?
A: We manufacture strictly to ANSI B29.1 standards for standard sprockets. For non-standard chains, we need the chain pitch, roller diameter, and plate thickness to match the tooth profile. We can also reverse-engineer from a worn sprocket sample. -
Q: What packaging do you use for export?
A: Each sprocket is individually wrapped in oiled anti-rust paper, then packed in polybags. Small items are boxed in cartons, large ones in plywood crates. Palletization is available for sea freight. -
Q: Do you have stock of common agricultural sprockets (e.g., for John Deere, Case IH)?
A: We stock many popular sizes used in agricultural machinery. If not in stock, we can produce quickly with our abundant steel inventory. Please consult our sales team with your equipment model.
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