Diameter | Button (NO. × Diameter,mm) | Flushing holes | Weight (kg) | Shank | ||
mm | inch | Gauge | Front | |||
254 | 10 | 12×18 | 12×18+9×16 | 2 | 90 | SD10 NUMA100 |
280 | 11 | 12×18 | 12×18+11×16 | 2 | 100 | |
305 | 12 | 14×18 | 14×18+11×16 | 2 | 120 | |
311 | 12 1/4 | 14×18 | 14×18+13×16 | 2 | 125 | |
314 | 12 3/8 | 14×18 | 16×18+12×16 | 2 | 130 |