ISO 7040 All-Metal Lock Nut Specifications
ISO 7040 All-Metal Prevailing Torque Lock Nuts
DIN 980 Equivalent | Reduced Height All-Metal Lock Nuts
ISO 7040 specifies all-metal prevailing torque lock nuts with reduced height. These nuts use a deformed thread or crown feature to create friction-based locking without nylon inserts — ideal for high-temperature applications.
Quick Specifications
Lock Type
All-Metal
Height
Reduced
Temp Rating
Up to 300°C
DIN Equivalent
DIN 980 V
Dimensions
| Size | Pitch | A/F Width (s) | Height (m) |
|---|---|---|---|
| M6 | 1.0 | 10 mm | 5.0 mm |
| M8 | 1.25 | 13 mm | 6.0 mm |
| M10 | 1.5 | 17 mm | 8.0 mm |
| M12 | 1.75 | 19 mm | 10.0 mm |
| M16 | 2.0 | 24 mm | 13.0 mm |
Advantages
High Temperature
No nylon to melt
Reusable
Multiple install/remove cycles
Compact Profile
Reduced height design
Vibration Resistant
Prevailing torque locking
Shop ISO 7040 Lock Nuts
All-metal prevailing torque lock nuts for high-temp applications.
Browse Lock Nuts