| Compatible Screw Size | M4 | material | Brass |
| Surface Treatment | Plain | application | General Industry |
| style | Wedge | finish | Black |
| washer Material | nylon 66 | nylon gasket color | Natural |
| Flame Class | 94V-2 | Working Temp. | -20 to 120 |
| fit for screw size | M2~ M10 | Thickness | 0.5mm~3.5mm |
| Other sizes | can be customized | Standard | bs |