Description:

1. Material: Nylon plastic. 2. Size: mm M2: Pitch: 0.4 Thread diameter: 2.0 Head diameter: 3.5. M2.5: Pitch: 0.45 Thread diameter: 2.5 Head diameter: 4.4 M3: Pitch: 0.5 Thread diameter: 3.0 Head diameter: 5.5. M4: Pitch: 0.7 Thread diameter: 4.0 Head diameter: 7.7 M5: Pitch: 0.8 Thread diameter: 5.0 Head diameter: 8.7. M6: Pitch: 1.0 Thread diameter: 6.0 Head diameter: 11.0 M8: Pitch: 1.25 Thread diameter: 8.0 Head diameter: 14.5.