DIN6888 Woodruff Key
DIN6888 Woodruff key is a precision mechanical key component designed for secure torque transmission between shafts and rotating parts. The DIN6888 Woodruff key features a semicircular base design that provides accurate positioning, improved alignment, and reliable power transfer in mechanical assemblies.
Manufactured according to the DIN6888 standard, the DIN6888 Woodruff key is widely used in motors, gear systems, pumps, automotive components, and industrial machinery. Its curved shape allows easier installation on tapered shafts and helps maintain stable engagement between shafts and hubs.

Product Overview
The DIN6888 Woodruff key is engineered for applications requiring efficient torque transmission and precise shaft positioning. Unlike traditional parallel keys, the semicircular design allows the key to automatically align within the shaft keyway, making installation easier and improving assembly accuracy.
This DIN6888 Woodruff key is commonly manufactured from carbon steel, stainless steel, or alloy steel depending on application requirements. Its precise dimensions ensure compatibility with standardized shaft and hub systems.
As an important industrial fastener and mechanical transmission component, it is widely used by OEM manufacturers, machinery builders, and engineering companies requiring reliable rotational connections.
Product Specifications
| Item | Description |
|---|---|
| Standard | DIN6888 |
| Product Name | DIN6888 Woodruff Key |
| Material | Carbon Steel / Stainless Steel / Alloy Steel |
| Key Type | Woodruff Key |
| Shape | Semi-Circular Key |
| Width Range | 2mm–25mm |
| Height Range | 2mm–32mm |
| Length Range | Customized according to standard size |
| Surface Finish | Plain / Black Oxide / Zinc Plated |
| Installation Type | Shaft and Hub Keyway Fit |
| Packaging | Bulk / Carton / OEM Packaging |
| Customization | Size, material, finish available |
Technical Parameters
| Parameter | Value |
|---|---|
| Tensile Strength | According to material grade |
| Shear Strength | High torque transmission capability |
| Hardness | Controlled according to material requirement |
| Density | Carbon Steel Approx. 7.85 g/cm³ |
| Wear Resistance | Good mechanical durability |
| Corrosion Resistance | Depends on material and surface treatment |
| Operating Temperature | Suitable for general industrial applications |
| Manufacturing Standard | DIN6888 |
Materials and Manufacturing Process
The DIN6888 Woodruff key is manufactured through precision machining and forming processes to ensure accurate geometry and reliable transmission performance.
- Raw material selection: High-quality steel materials
- Cutting: Precision cutting according to required dimensions
- Milling and machining: Formation of semicircular key profile
- Grinding: Improves dimensional accuracy and surface quality
- Heat treatment: Applied when required for improved hardness and wear resistance
- Surface finishing: Black oxide, zinc plating, or customized coating
- Inspection: Dimensional, hardness, and tolerance testing
- Packaging: Protective industrial packaging for transportation
Each DIN6888 Woodruff key is produced under strict quality control to ensure stable torque transmission performance.
Applications of the Product
The DIN6888 Woodruff key is widely used across multiple industries:
- Electric motors: Rotor and shaft connections
- Automotive systems: Engine and transmission components
- Pumps and compressors: Rotating shaft assemblies
- Industrial machinery: Gear and pulley connections
- Agricultural equipment: Drive system components
- Automation equipment: Precision motion systems
- Manufacturing equipment: Mechanical power transmission
- Robotics systems: Rotational component positioning
Its self-aligning capability makes it especially suitable for compact and precision mechanical assemblies.
Why Choose This Product
- DIN6888 standard compatibility
- Reliable torque transmission performance
- Accurate shaft and hub positioning
- Easy installation due to curved design
- Good resistance to mechanical stress
- Multiple material options available
- Suitable for OEM production
- Stable performance in rotating systems
- Custom specifications available
The DIN6888 Woodruff key provides an efficient and reliable solution for mechanical power transmission applications.
Why Choose Flybear
Flybear is a professional manufacturer specializing in precision industrial fasteners and customized mechanical components.
- Advanced machining and production capability
- OEM/ODM customization support
- Stable supply capacity for bulk orders
- Strict quality inspection procedures
- Global export experience
- Engineering support for customized applications
Flybear provides reliable transmission components for machinery manufacturers, distributors, and industrial customers worldwide.
Quality Inspection and Control
Quality assurance is maintained throughout the manufacturing process:
- Raw material chemical composition analysis
- Dimensional accuracy inspection
- Width, height, and radius measurement
- Hardness testing
- Surface finish inspection
- Tolerance verification
- Batch consistency inspection
- Packaging quality control
All processes follow ISO-based quality management systems to ensure consistent product reliability.
Selection Guide
When selecting a DIN6888 Woodruff key, consider:
- Shaft diameter and keyway size
- Required torque capacity
- Operating speed and load conditions
- Material compatibility
- Corrosion environment
- Assembly requirements
Correct selection ensures reliable power transmission and long service life.
FAQ
1. What is a DIN6888 Woodruff key used for?
It is used to transmit torque and secure rotating components on shafts.
2. What is the advantage of a Woodruff key design?
The semicircular shape allows easier alignment and installation in shaft keyways.
3. What materials are available for Woodruff keys?
Common materials include carbon steel, stainless steel, and alloy steel.
4. Can DIN6888 Woodruff keys be customized?
Yes, Flybear supports customized sizes, materials, and surface treatments.
5. What industries use Woodruff keys?
They are widely used in motors, machinery, pumps, automotive systems, and automation equipment.
We always adhere to the philosophy of quality first and customer first, providing customers with high-quality fastener products and one-stop fastener solutions.
Contact us for quotation, customization, and technical support via Contact Us.




