Technical Usage:
The Black Iron High Tensile G10.9 Nut is primarily used in applications requiring high clamping force and reliability under heavy loads, such as structural steel assembly, machinery, bridgework, and high-stress automotive applications. When paired with corresponding high-tensile bolts, this nut enhances the overall integrity of assemblies, ensuring secure and vibration-resistant connections.
Technical Specs (Table Format):
| Specification | Description |
|---|---|
| Material | Black Iron |
| Grade | 10.9 |
| Tensile Strength | High |
| Finish | Black |
| Corrosion Resistance | Moderate (varies with coating) |
| Standard | ISO 898-2 |
| Thread Type | Metric/Imperial options |
| Application Environment | Industrial, Structural, Automotive |
Types of Item:
- Hexagonal Black Iron G10.9 Nut – The standard type for general heavy-duty applications.
- Flanged Black Iron G10.9 Nut – A variant with an integrated washer flange for improved stability and distribution of load.
- Lock Black Iron G10.9 Nut – Designed to prevent loosening under vibration, ideal for dynamic or high-vibration applications.
History:
High-tensile nuts like the Black Iron G10.9 have evolved alongside the development of modern engineering, particularly as industrialization expanded in the 19th and 20th centuries. The Grade 10.9 classification originated from standards set to ensure uniformity in strength and reliability, addressing the needs of industries for nuts capable of withstanding extreme forces. Today, these nuts are integral to many critical structural applications, benefiting from innovations in metallurgy and manufacturing processes.
