Your Comprehensive Guide to Spline Shafts: How many Splines should a Shaft have?
Understanding the Role of Splines in a Shaft
The number of splines a shaft should have is dependent on a variety of factors, such as the torque capacity, the shaft diameter, and the overall design parameters. Generally, the number of splines ranges from 6 to 50, with the most common being 10, 16, and 20.
Our High-Quality Spline Shaft Production

As a leading manufacturer of spline shafts, we provide:
- Durable materials for extended lifespan
- Advanced manufacturing processes to ensure precision
- Customizable designs to meet unique requirements
- Competitive prices for superior value
- Excellent customer support for seamless transactions


Different Types of Spline Shafts and Their Features
Parallel Key Shaft
A Parallel Key Shaft is cost-effective and suitable for light to medium loads.
Spline Shaft with Involute Spline
The Spline Shaft with Involute Spline provides a high degree of contact, resulting in higher torque transmission capability.
Internal Spline Shaft
The Internal Spline Shaft is ideal for applications where space is limited.
Non-circular Spline Shaft
The Non-circular Spline Shaft enables non-rotational movement, making it ideal for complex applications.
Choosing the Right Spline Shaft
Consider factors such as Shaft Diameter, Spline Type, Number and Size of Splines, Shaft Length, Material, Surface Treatment, etc., when choosing a spline shaft. These parameters are essential in ensuring that the spline shaft meets your specific application requirements.
Spline Shaft Manufacturing Process
Our manufacturing process consists of Material Preparation, Cutting, Rough Machining, Spline Cutting, Fine Machining, Heat Treatment, Surface Treatment, Inspection and Calibration, Packaging, and Delivery. This rigorous process ensures that you receive a high-quality spline shaft that meets your specific needs.
Our Other Gear and Gearbox Products
In addition to spline shafts, we also offer a wide range of gears, including worm gear, helical gear, spur gear, bevel gear, and gear rack, as well as gearboxes like worm gearbox, planetary gearbox, and helical gearbox. These products are designed to meet a variety of application requirements.
About Our Company
With advanced equipment like CNC Gear grinding machine, gear measuring machine, CNC gear shaper, machine center, CMMS, and Torque test system, we provide world-class products. We are recognized internationally for our professionalism, customization services, production equipment, and after-sales service. Allow us to be your partner in success.