**Metal Insert Lock Hex Flange Nuts**
DIN and ANSI Standard Nuts
Available in sizes from M5 to M30, and 1/4 to 1.1/4 inch UNC/UNF. These nuts are widely used in industrial applications where a secure and vibration-resistant fastening solution is required.
**Key Features:**
- **Model No.:** M12
- **Inch Size:** 1/4 up to 1.1/4 Inch
- **Metric Size:** M3 up to M30
- **Quality Grade:** Class 5, 6, 8, 10
- **Coating Options:** Plain, Black, Zinc (ZP)
- **Trademark:** TS
- **Packaging:** Small Box, Carton, Pallet
- **Standards:** DIN, ANSI, JIS, GB
- **Origin:** China
- **HS Code:** 731816
**Additional Standards:**
DIN6923, DIN934, DIN985, DIN982, DIN1587, ANSI NE and NTE types.
**Material Grades:**
Carbon Steel: C1010, A3, C1035, C1020
Stainless Steel: 18-8, SS201, SS301, SS304, SS316
Grade: A2-70, A4-80
**Surface Finish:**
PL (Plain), Zinc, Brass, Nickel
**Nylon Insert Lock Nut (Nyloc Nut):**
These nuts feature a nylon ring inside the nut that creates extra friction when tightened, preventing loosening due to vibration or movement. They are ideal for use with hex bolts and are commonly used in automotive, aerospace, and machinery applications.
**Dimensions Table:**
| d | d1 | s | m |
|-----|------|-----|-----|
| M3 | 8 | 5.5 | 3.7 |
| M4 | 10 | 7 | 4.5 |
| M5 | 11.8 | 8 | 5 |
| M6 | 14.2 | 10 | 6 |
| M8 | 17.9 | 13 | 8 |
| M10 | 21.8 | 15 | 10 |
| M12 | 26 | 18 | 12 |
| M14 | 29.9 | 21 | 14 |
| M16 | 34.5 | 24 | 16 |
| M20 | 42.8 | 30 | 20 |
**Related Products:**
**FAQ:**
**Q1: Are you a factory or trading company?**
A: We are a specialized supplier of fasteners, offering competitive pricing and high-quality products.
**Q2: How many years of foreign trade experience do you have?**
A: We have over 16 years of experience exporting fasteners worldwide.
**Q3: Do you have sufficient inventory?**
A: Yes, we maintain large stock in our warehouses and offer 24/7 services.
**Q4: How do you ensure quality?**
A: Every product is inspected by our quality control team to ensure it meets international standards.
**Q5: How do you handle long-distance shipping?**
A: Our professional packaging team ensures safe and secure delivery.
**Q6: Can you provide samples?**
A: Yes, we can provide samples based on your requirements.
**Company View:**
For more detailed specifications, pricing, and packing information, please contact us directly or visit our online store at [3W hexnuts.cn](http://3W hexnuts.cn).
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