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The GI Lock Nut DIN 985 is a hexagonal nut fitted with a nylon insert ring that resists loosening under vibration and torque. Designed to DIN 985 standards and nearly equivalent to ISO 10511, this locking nut is made of galvanized iron, offering moderate corrosion resistance for indoor and sheltered outdoor use.
The embedded nylon ring deforms as the mating bolt is tightened, creating friction that prevents the nut from backing off. This makes it ideal for assemblies subject to motion, impact, or mechanical stress, especially where frequent retightening is impractical.
Roxon Fasteners is a trusted fasteners supplier in UAE and Abu Dhabi, offering reliable GI lock nuts for secure mechanical connections.
- Used in machinery and automotive assemblies where vibration resistance is crucial
- Common in HVAC units, ducting, and electrical supports
- Ideal for industrial enclosures, fencing, and light structural steelwork
- Suitable for moving parts or maintenance-free connections
- Widely used in medium-duty construction and assembly systems
| Standard | DIN 985 |
|---|---|
| Equivalent Standerds | ISO 10511 |
| Type | Nylon Insert Lock Nut |
| Thread Type | Metric Coarse |
| Shape | Hexagonal |
| Material | Carbon Steel – Galvanized Iron |
| Surface Finish | GI – Galvanized Iron (Electroplated Zinc) |
| Grade/Class | Commercial Grade |
| Compliance | ISO 898-2 (mechanical properties for nuts) |
| Usage Environment | Indoor / sheltered environments |
| Available Sizes | M6 to M30 |
| Variant | Packaging |
|---|---|
| GI Lock Nut M6 | 5kg / 10 kg / 25 kg |
| GI Lock Nut M8 | 5kg / 10 kg / 25 kg |
| GI Lock Nut M10 | 5kg / 10 kg / 25 kg |
| GI Lock Nut M12 | 5kg / 10 kg / 25 kg |
| GI Lock Nut M14 | 5kg / 10 kg / 25 kg |
| GI Lock Nut M16 | 5kg / 10 kg / 25 kg |
| GI Lock Nut M18 | 5kg / 10 kg / 25 kg |
| GI Lock Nut M20 | 5kg / 10 kg / 25 kg |
| GI Lock Nut M24 | 5kg / 10 kg / 25 kg |
| GI Lock Nut M27 | 5kg / 10 kg / 25 kg |
| GI Lock Nut M30 | 5kg / 10 kg / 25 kg |