Unit : mm
| Model No. | Hole Dia ( ∅A ) | Thread ( B ) | Hole Center To End ( C ) | Material | Surface Treatment |
| C1920M8 Black Zinc | 13 | M8X1.25 | 20 | 12L14 | Black Zinc |
| C1925M8 Black Zinc | 25 | ||||
| C1930M8 Black Zinc | 30 | ||||
| C1935M8 Black Zinc | 35 | ||||
| C19S20M8 SUS303 | 20 | SUS303 | Vibratory Grinding | ||
| C19S25M8 SUS303 | 25 | ||||
| C19S30M8 SUS303 | 30 |