ISO 10511 Nylon Insert Lock Nut Specifications
ISO 10511 Nylon Insert Lock Nuts
DIN 985 Equivalent | Thin Profile Nylock Nuts
ISO 10511 defines thin-profile nylon insert lock nuts — the most popular self-locking nut design. A nylon collar in the top of the nut deforms around bolt threads, creating reliable vibration resistance without additional lock washers.
Quick Specifications
Lock Type
Nylon Insert
Height
Thin Profile
Max Temp
120°C (248°F)
DIN Equivalent
DIN 985
Dimensions
| Size | Pitch | A/F Width (s) | Height (m) |
|---|---|---|---|
| M5 | 0.8 | 8 mm | 5.0 mm |
| M6 | 1.0 | 10 mm | 6.0 mm |
| M8 | 1.25 | 13 mm | 8.0 mm |
| M10 | 1.5 | 17 mm | 10.0 mm |
| M12 | 1.75 | 19 mm | 12.0 mm |
Materials
Zinc Plated Steel
Most common, indoor use
A2 Stainless
Corrosion resistant
A4 Stainless
Marine environments
Yellow Zinc
Enhanced corrosion
⚠️ Temperature Limit
Nylon inserts lose effectiveness above 120°C (248°F). For high-temperature applications, use all-metal lock nuts (ISO 7040 / ISO 7042).