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As a leading manufacturer with over 14 years of experience, Henan San Kuang Machinery Technology Co., Ltd. is proud to offer our Precision Gear Shaft with Technical Drawing Support and Free Sample for Quality Check. Our factory spans 10,000–30,000 square meters and employs 51–100 skilled engineers and technicians, ensuring every gear shaft is manufactured to the highest standards. We understand that precision components are critical for your machinery's performance, which is why we provide free samples and full technical drawing support to help you verify quality before bulk production. Whether you need a standard design or a fully customized solution, our team is ready to deliver.
Our gear shafts are produced using advanced CNC machining, heat treatment, and grinding processes, guaranteeing consistent tolerances and long service life. Below are the key features and benefits:
High Precision Manufacturing: Achieved through multi-axis CNC lathes and gear hobbing machines, with dimensional accuracy up to ±0.005 mm.
Customizable Material Options: Choose from alloy steel (20CrMnTi, 40Cr, 42CrMo), stainless steel, or other materials as per your application requirements.
Heat Treatment & Surface Hardening: Carburizing, nitriding, or induction hardening available to achieve surface hardness of HRC 58–62, enhancing wear resistance.
Technical Drawing Support: Accept 2D/3D drawings (DWG, DXF, STEP, IGES, PDF) for quick quotation and production. Our engineers can also optimize designs for cost and performance.
Free Sample Service: We provide up to 2 pieces free of charge (shipping cost may apply) for you to test fit, durability, and accuracy before placing a bulk order.
Rigorous Quality Control: Every shaft undergoes 100% inspection including dimension measurement, hardness test, gear runout test, and magnetic particle inspection (if required).
Flexible Quantity: From prototype runs (1–10 pcs) to mass production (10,000+ pcs) with consistent quality.
Typical Specifications (Reference Table):
| Parameter | Range / Details |
| Module | M1 – M12 |
| Number of Teeth | 10 – 200 (custom) |
| Overall Length | 50 – 2000 mm |
| Shaft Diameter | 10 – 500 mm |
| Precision Grade | DIN 6 / DIN 7 / DIN 8 (or equivalent AGMA grade) |
| Surface Roughness | Ra ≤ 0.8 μm (grinding option) |
| Heat Treatment | Carburizing, nitriding, induction hardening, or as per drawing |
Our gear shafts are widely used in automotive transmissions, agricultural machinery, industrial gearboxes, mining equipment, and robotics. The combination of precise tooth profile, controlled runout, and high surface finish ensures smooth operation, low noise, and extended service life. By choosing our free sample service, you can evaluate the actual quality before committing to a full production order, minimizing risk and ensuring satisfaction.
Trusted by Clients Worldwide
Henan San Kuang Machinery Technology Co., Ltd. has been serving global customers since 2014, with an annual export value of US$2.5 – US$5 Million. Our products are shipped to North America, South America, Europe, Southeast Asia, Africa, Oceania, and the Middle East from major ports including Shanghai, Lianyungang, Qingdao, and Tianjin. We hold multiple certifications such as ISO9001, ISO14001, OHSAS18001, SA8000, TL9000, and others, reflecting our commitment to quality, environment, and social responsibility. Our factory is equipped with modern testing instruments including coordinate measuring machines (CMM), gear measuring centers, and hardness testers, ensuring every batch meets your specifications.
We invite you to contact us today with your technical drawings or requirements. We will provide a competitive quotation within 24 hours and arrange free samples for your quality check. Experience the reliability and precision of San Kuang gear shafts – your trusted partner for power transmission components.
Frequently Asked Questions (FAQ)
Q: How long does it take to produce a free sample?
A: For standard sizes with existing tooling, samples can be produced within 5–7 working days. For custom designs based on your drawing, it typically takes 10–15 working days. We will confirm the exact lead time after reviewing your drawing.Q: Do you charge for the sample? What about shipping?
A: The sample itself is free (up to 2 pieces per design). However, the customer is responsible for shipping costs. We can use your courier account or arrange a prepaid waybill. For bulk orders, we may deduct the sample cost from the first invoice.Q: What file formats do you accept for technical drawings?
A: We accept DWG, DXF, STEP, IGES, PDF, and STP formats. 2D blueprints with clear dimensions and tolerances are also sufficient. Our engineering team can assist in converting or optimizing your design.Q: What is the minimum order quantity (MOQ) for production?
A: MOQ is generally 100 pieces for standard sizes. For custom shafts with special materials or processing, the MOQ may be 200–500 pieces. We can also accommodate small batch orders for prototyping at a slightly higher unit price.Q: How do you ensure the quality of the gear shaft?
A: We implement a strict quality control system from raw material inspection to final packaging. Key checks include chemical composition analysis, hardness testing, gear tooth profile measurement, runout test, and dimensional verification. A full inspection report can be provided with each shipment.Q: Can you produce gear shafts with special surface treatments like phosphating or DLC coating?
A: Yes, we can arrange additional surface treatments such as phosphating, black oxide, zinc plating, chrome plating, or DLC coating upon request. Please specify your requirements in the drawing or inquiry.Q: What is the typical lead time for bulk orders?
A: Lead time depends on quantity and complexity. For 1,000–5,000 pieces, it is usually 20–30 working days after sample approval. We will provide a detailed schedule in the quotation.Q: Do you ship internationally? Which ports do you use?
A: Yes, we export worldwide. Our main ports of shipment are Shanghai, Lianyungang, Qingdao, and Tianjin. We can arrange sea freight, air freight, or express delivery (DHL, FedEx, UPS) according to your preference.
If you have any other questions, please feel free to reach out. We are dedicated to providing high-quality precision gear shafts with excellent customer service.
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