**Product Specifications:**
- **Model No.:** M12
- **Metric Size:** M6 to M24
- **Inch Size:** 1/4" to 1"
- **Quality Grade:** 8, 10
- **Coating Options:** Plain, Black, Zinc Plated (ZP)
- **Trademark:** TS
- **Packaging:** Small Box, Carton, Pallet
- **Standards:** DIN, ANSI, JIS, GB
- **Origin:** China
- **HS Code:** 731816
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**Hot Quality Dacromet Coating Serrated Lock Nut – Description and Details**
This high-quality serrated lock nut is designed for secure fastening in a wide range of industrial applications. It features a Dacromet coating that provides excellent corrosion resistance, making it ideal for harsh environments.
Key Features:
1. **Serrated Lock Nut** – Ensures a tight grip on the bolt thread, preventing loosening due to vibration.
2. **Customized Steel Nut** – Manufactured from carbon steel grades #35 or #45, offering durability and strength.
3. **Dacromet Coating** – Provides long-lasting protection against rust and corrosion.
4. **Available Sizes:** From M6 up to M24, suitable for both metric and inch-based systems.
5. **Optional Surface Treatments:** Zinc plating (ZP, YZP), black oxide, wax, or other custom finishes available upon request.
6. **Grade 8 & 10** – Offers high tensile strength and reliability for heavy-duty use.
For more information on prevailing torque type hex nuts or hex flange nuts, please visit our website at [www.hexnuts.cn](http://www.hexnuts.cn).
There are two main types of prevailing torque lock nuts: all-metal and metal insert/nylon insert. All-metal lock nuts achieve their locking function by distorting the threads, which can damage the protective coating on the bolt and nut over time. This makes them generally one-time use. These nuts are typically made from carbon steels like C1035 or C1045.
Our standard offerings include:
- DIN980V, DIN6924/ISO7040, DIN6925/ISO7042, DIN6926/ISO7043
- JIS B1199, ISO 7042, ISO 7719, ISO 7720, ISO 10513, IFI 100/107 Grade C
- Top Lock Flange Nut IFI 100/107 Grade G
- DIN6927, JIS B1199-4-2001, EN1667, ISO 12126
Surface bearing lock nuts, such as serrated flange nuts and Keps Lock Nuts, require tightening against a bearing surface to activate the locking mechanism.
Surface treatments usually include zinc plating, chromate, phosphate, or lubrication. Cadmium plating or wax coatings may also be available depending on your needs.
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**DIN980V Standard Dimensions:**
| Nominal Size | Hex Size (s) | Flange Diameter (e min) | Thread Diameter (d2) | Height (h max) |
|--------------|---------------|--------------------------|----------------------|----------------|
| M4 | 7 | 7.66 | - | 4.2 |
| M5 | 8 | 8.79 | - | 5.1 |
| M6 | 10 | 11.05 | - | 6 |
| M8 | 13 | 14.38 | - | 8 |
| M10 | 17 | 18.9 | - | 10 |
| M12 | 19 | 21.1 | - | 12 |
| M14 | 22 | 24.49 | - | 14 |
| M16 | 24 | 26.75 | - | 16 |
| M18 | 27 | 29.56 | 23 | 18 |
| M20 | 30 | 32.95 | 27.5 | 20 |
| M22 | 32 | 35.03 | 29.5 | 22 |
| M24 | 36 | 39.55 | 31 | 24 |
| M27 | 41 | 45.02 | - | - |
| M30 | 46 | 50.85 | - | - |
| M33 | 50 | 55.37 | - | - |
| M36 | 55 | 60.79 | - | - |
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**Company Information**
At Transhow, we specialize in manufacturing high-quality mechanical fasteners, including lock nuts, hex nuts, and custom steel components. Our products are widely used in automotive, construction, and industrial sectors.
We offer a full range of surface treatments, including Dacromet, zinc plating, black oxide, and wax coatings. Our commitment to quality and innovation ensures that our products meet international standards and customer expectations.
Explore our product catalog and contact us today for customized solutions tailored to your specific needs.
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