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Locking Products
Locking nuts with an integrated spring or toothed feature fo
Product Center · Washers
Slotted Hexagon Safety Nut
Locking nuts with an integrated spring or toothed feature for anti-loosening and settlement take-up.
Key specifications
- MaterialSpring Steel 65Mn
- Installationtorque wrench
- StandardISO 2320, GB/T 3098.2 (nut properties)
- Typical substrateautomotive, construction, curtain wall
- Key inspectionsprevailing torque, crimp dimensions, hardness
Product overviewOverview
Locking nuts fall into two families. One uses an elastic element — a spring washer or nylon collar — to maintain clamp force; the other uses controlled interference in the thread, such as a slotted and crimped top, which produces a steady prevailing torque as the nut is run down.
Material: Spring Steel 65Mn. It is tightened with a torque wrench.
Key featuresFeatures
- Slotted crimp or nylon collar creates steady prevailing torque.
- Elastic element compensates creep in soft clamped parts.
- Integrated designs cut part count and assembly steps.
- 6H thread for use with bolts up to class 8.8.
Typical applicationsApplications
- Automotive and construction machinery
- Appliances and office equipment
- Curtain wall and structural steelwork
Selection notesSelection
On plastic, aluminium or wood, prefer an elastic-compensating design; extra torque alone crushes the part.
Frequently asked questionsFAQ
How do I specify the Slotted Hexagon Safety Nut?
On plastic, aluminium or wood, prefer an elastic-compensating design; extra torque alone crushes the part. Material: Spring Steel 65Mn. It is tightened with a torque wrench.
What matters during installation of the Slotted Hexagon Safety Nut?
Torque wrench. Verify the mating hole against the this range range before the first article, then set the batch parameters.
Specifications
| Material | Spring Steel 65Mn |
|---|---|
| Surface Treatment | Black oxide / Zinc-plated |
| Standard | ISO 2320, GB/T 3098.2 (nut properties) |
| Head style | hex head |
| Drive | slotted |
| Installation | torque wrench |
| Typical substrate | automotive, construction, curtain wall |
| Key inspections | prevailing torque, crimp dimensions, hardness |
Manufacturing and inspection
Prevailing torque is sampled to ISO 2320, recording first removal.We recommend a pilot assembly at the actual torque and mating part before locking the process parameters for volume.
