| Customization: | Available |
|---|---|
| Connection: | Common Bolt |
| Head Style: | Square |
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| Proudct name | Spring U Nut for screw 3.9-4.0 mm bolt, M4 U clip nut |
| Material | 65MN |
| Surface | Zinc plated |
| Color | Silver, etc. |
| Size | M4, 12*20mm |
| Packing | Plastic bags with carton |
| Other | Customized |
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