PRODUCTNylon Insert Lock Nut DIN 985 Carbon Steel with Nylon Insert Fastener for Vibration Resistant Machinery Fastening
DIN 985 / ISO 10511 Low Profile Nylon Insert Lock Nuts are carbon steel locking nuts with a non-metallic nylon insert. Their reduced-height design is suitable for machinery, automotive, photovoltaic, and equipment assemblies that require vibration resistance with a more compact nut profile.
- Standard
- DIN 985 / ISO 10511
- Material
- Carbon Steel with Nylon Insert
Product Details
This product is a low profile hexagon lock nut with a nylon insert. The nylon insert supports vibration-resistant fastening, while the reduced nut height is suitable for assemblies where available installation space is limited. Carbon steel DIN 985 / ISO 10511 Nylon Insert Lock Nuts are suitable for automotive parts, machinery assemblies, photovoltaic mounting systems, equipment installation, and general fastening positions that require a compact locking solution.

Product Specifications
| Item | Details |
|---|---|
| Product Name | Low Profile Nylon Insert Lock Nut |
| Standard | DIN 985 / ISO 10511 |
| Product Type | Hexagon Thin Lock Nut with Non-Metallic Insert |
| Material | Carbon Steel with Nylon Insert |
| Locking Method | Nylon Insert Locking |
| Thread Type | Metric Thread |
| Standard Thread Sizes | M3 / M4 / M5 / M6 / M8 / M10 / M12 / M16 / M20 / M24 / M30 / M36 |
| Main Feature | Low Profile, Vibration-Resistant Locking |
| Main Applications | Automotive, Machinery, Photovoltaic, Equipment Assembly |
| Customization | Custom sizes available |
| Packaging | Carton or Bag Packing |
ISO 10511 Dimension Reference
| Thread Size | Pitch P | da Max. | da Min. | dw Min. | e Min. | h Max. | h Min. | m Min. | mw Min. | Across Flats s Max. | Across Flats s Min. |
|---|---|---|---|---|---|---|---|---|---|---|---|
| M3 | 0.5 mm | 3.45 mm | 3 mm | 4.6 mm | 6.01 mm | 3.9 mm | 3.42 mm | 1.55 mm | 1.24 mm | 5.5 mm | 5.32 mm |
| M4 | 0.7 mm | 4.6 mm | 4 mm | 5.9 mm | 7.66 mm | 5 mm | 4.52 mm | 1.95 mm | 1.56 mm | 7 mm | 6.78 mm |
| M5 | 0.8 mm | 5.75 mm | 5 mm | 6.9 mm | 8.79 mm | 5 mm | 4.52 mm | 2.45 mm | 1.96 mm | 8 mm | 7.78 mm |
| M6 | 1 mm | 6.75 mm | 6 mm | 8.9 mm | 11.05 mm | 6 mm | 5.52 mm | 2.9 mm | 2.32 mm | 10 mm | 9.78 mm |
| M8 | 1.25 mm | 8.75 mm | 8 mm | 11.6 mm | 14.38 mm | 6.76 mm | 6.18 mm | 3.7 mm | 2.96 mm | 13 mm | 12.73 mm |
| M10 | 1.5 mm | 10.8 mm | 10 mm | 14.6 mm | 17.77 mm | 8.56 mm | 7.98 mm | 4.7 mm | 3.76 mm | 16 mm | 15.73 mm |
| M12 | 1.75 mm | 13 mm | 12 mm | 16.6 mm | 20.03 mm | 10.23 mm | 9.53 mm | 5.7 mm | 4.56 mm | 18 mm | 17.73 mm |
| M14 | 2 mm | 15.1 mm | 14 mm | 19.6 mm | 23.35 mm | 11.32 mm | 10.22 mm | 6.42 mm | 5.14 mm | 21 mm | 20.67 mm |
| M16 | 2 mm | 17.3 mm | 16 mm | 22.5 mm | 26.75 mm | 12.42 mm | 11.32 mm | 7.42 mm | 5.94 mm | 24 mm | 23.67 mm |
| M20 | 2.5 mm | 21.6 mm | 20 mm | 27.7 mm | 32.95 mm | 14.9 mm | 13.1 mm | 9.1 mm | 7.28 mm | 30 mm | 29.16 mm |
| M24 | 3 mm | 25.9 mm | 24 mm | 33.2 mm | 39.55 mm | 17.8 mm | 16 mm | 10.9 mm | 8.72 mm | 36 mm | 35 mm |
| M30 | 3.5 mm | 32.4 mm | 30 mm | 42.8 mm | 50.85 mm | 22.2 mm | 20.1 mm | 13.9 mm | 11.12 mm | 46 mm | 45 mm |
| M36 | 4 mm | 38.9 mm | 36 mm | 51.1 mm | 60.79 mm | 25.5 mm | 23.4 mm | 16.9 mm | 13.52 mm | 55 mm | 53.8 mm |
Low Profile Locking for Compact Assemblies
The low profile design makes this product suitable for fastening positions where assembly height needs to be controlled. The nylon insert provides a locking function for bolt connections in machinery, automotive parts, photovoltaic structures, and equipment installations. This product is suitable for buyers who need both compact nut dimensions and vibration-resistant fastening performance.
Customization Available
Custom sizes are available for DIN 985 / ISO 10511 Low Profile Nylon Insert Lock Nuts. Buyers can provide their required thread size, thread pitch, nut height, matching bolt specification, quantity, and application details for quotation.
Applications
DIN 985 / ISO 10511 Low Profile Nylon Insert Lock Nuts are suitable for:
Automotive assembly
Machinery fastening
Photovoltaic mounting structures
Equipment installation
Compact bolt-and-nut connections
Vibration-resistant mechanical assemblies
Information Needed for a Quote
To prepare a quotation, please provide:
Required standard: DIN 985 or ISO 10511
Required thread size
Required thread pitch
Matching bolt specification
Required quantity
Application type
Custom size requirement, if applicable

FAQ
1. What is the difference between this product and a standard Nylon Insert Lock Nut?
This product has a lower profile and is suitable for fastening applications with limited installation space.
2. What material is available?
Carbon steel with a nylon insert.
3. What standards are available?
DIN 985 and ISO 10511.
4. What thread sizes are available?
Standard sizes include M3, M4, M5, M6, M8, M10, M12, M14, M16, M20, M24, M30, and M36.
5. Can I request customized sizes?
Yes. Custom sizes are available according to the required thread size, pitch, nut height, matching bolt specification, and quantity.
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