Unit : mm
| Model No. | Hole Dia ( ∅A ) | Thread ( B ) | Hole Center To End ( C ) | Material | Surface Treatment |
| M920M6 BLACK ZINC | 10 | M6X1.0 | 20 | 12L14 | Black Zinc |
| M925M6 BLACK ZINC | 25 | ||||
| M930M6 BLACK ZINC | 30 | ||||
| M920M8 BLACK ZINC | M8X1.25 | 20 | |||
| M925M8 BLACK ZINC | 25 | ||||
| M930M8 BLACK ZINC | 30 |