Prevents Unintentional Loosening
The integrated metal locking section increases friction between nut and bolt threads, reducing the risk of loosening during operation.
DIN 980V All-Metal Prevailing Torque Type Hexagon Nuts with Single Piece Metal
- Standard: DIN 980V(Type V)
- Material: Stainless Steel
- Thread Size: M3-M39
- Surface Treatment: Plain, Zinc Plated
- Min Order: 5000pcs
- Sample: Free sample (after quote)
- Delivery time: 30 – 45 Days
Product Overview
Product Application
DIN 980V is a preload-torque-type all-metal hexagonal lock nut (commonly known as a Stover nut), designed specifically for applications requiring secure fastening under vibration, shock, and dynamic loads.
Unlike lock nuts with nylon rings (such as DIN 985), the DIN 980V features an all-metal monolithic construction. It achieves its self-locking function through localized mechanical deformation of the specially shaped metal locking element, which generates additional friction on the bolt threads, thereby ensuring stable clamping performance under severe conditions.
DIN standards have been gradually phased out or replaced in many industrial sectors. The corresponding international standards for DIN 980V are ISO 7042 (coarse-threaded) and ISO 10513 (fine-threaded); however, the ISO standards include minor adjustments to wrench size and height for certain specifications.
Draw
Specification
Key Design Features
1. All-Metal Locking Structure
DIN 980V adopts a one-piece metal construction without nylon inserts. The locking function is created by controlled deformation of the nut body, providing stable thread interference and long-term fastening reliability.
2. Excellent Vibration Resistance
The prevailing torque generated by the deformed thread section helps prevent loosening caused by vibration, impact, and cyclic loads, making it suitable for heavy-duty mechanical assemblies.
3. High Temperature Capability
Compared with nylon insert lock nuts, DIN 980V maintains locking performance in higher-temperature environments because there are no plastic components that may soften or degrade.
Product Advantages
Suitable for Harsh Environments
The all-metal design performs reliably under vibration, temperature changes, and mechanical stress.
Reusable Fastening Performance
Unlike some locking solutions that rely on plastic deformation, DIN 980V can maintain its locking capability after repeated installation cycles when used under the recommended conditions.
Common Questions
What is DIN 980V lock nut?
DIN 980V is an all-metal prevailing torque hexagon lock nut. It uses a deformed locking section to increase friction between the nut and bolt thread, preventing loosening under vibration.
What is the difference between DIN 980V and DIN 985 nylon lock nut?
DIN 980V uses an all-metal locking structure, while DIN 985 uses a nylon insert. DIN 980V provides better performance in high-temperature environments because it contains no plastic components.
Can DIN 980V nuts be customized?
Yes. Custom materials, finishes, packaging, and special thread requirements are available.
What bolts are compatible with DIN 980V nuts?
DIN 980V nuts are designed for standard metric bolts with matching thread sizes, such as DIN 931, DIN 933, ISO 4014, and ISO 4017 bolts.
