ISO 7042 All-Metal Lock Nut (Full Height)
ISO 7042 All-Metal Lock Nuts — Full Height
Style 2 All-Metal Prevailing Torque Nuts
ISO 7042 specifies full-height all-metal prevailing torque lock nuts. The "Style 2" profile provides maximum thread engagement and load capacity while maintaining self-locking performance at elevated temperatures.
Quick Specifications
Lock Type
All-Metal
Style
Style 2 (Full Height)
Temp Rating
Up to 300°C
Size Range
M5 – M36
ISO 7042 vs ISO 7040
| Size | A/F Width | ISO 7042 Height | ISO 7040 Height |
|---|---|---|---|
| M8 | 13 mm | 8.0 mm | 6.0 mm |
| M10 | 17 mm | 10.0 mm | 8.0 mm |
| M12 | 19 mm | 12.0 mm | 10.0 mm |
| M16 | 24 mm | 16.0 mm | 13.0 mm |
When to Use Full Height
Maximum Load
Full thread engagement
Critical Joints
Safety-critical assemblies
High Vibration
Heavy equipment, engines
Repeated Cycles
Better reusability