Product Details:
| Thread Size | m8-m36 |
| Material | Mild Steel |
| Material Grade | MS |
| Nut Type | Hex Check Nut |
| Thread Type | Metric |
| Surface Finish | Zinc Plated |
| Type | In Mm |
| Shape | Hex |
| Country of Origin | Made in India |
A check nut (or jam nut/lock nut) is a thinner, secondary nut used with a standard nut to prevent loosening from vibration; it's tightened
against the primary nut, creating friction and locking the assembly, common in machinery, automotive, and construction for secure, vibration-resistant fastening.