| Especificaciones de las brocas de perforación de núcleo de hormigón armado: | ||
| 16 mm × 1 1/4" UNC | 52 mm × 1 1/4" UNC | 116 mm × 1 1/4" UNC |
| 18 mm × 1 1/4" UNC | 56 mm × 1 1/4" UNC | 120 mm × 1 1/4" UNC |
| 20 mm × 1 1/4" UNC | 63 mm × 1 1/4" UNC | 127 mm × 1 1/4" UNC |
| 22 mm × 1 1/4" UNC | 66 mm × 1 1/4" UNC | 132 mm × 1 1/4" UNC |
| 25 mm × 1 1/4" UNC | 71 mm × 1 1/4" UNC | 140 mm × 1 1/4" UNC |
| 27 mm × 1 1/4" UNC | 76 mm × 1 1/4" UNC | 152 mm × 1 1/4" UNC |
| 30 mm × 1 1/4" UNC | 83 mm × 1 1/4" UNC | 160 mm × 1 1/4" UNC |
| 32 mm × 1 1/4" UNC | 89 mm × 1 1/4" UNC | 168 mm x 1 1/4" UNC |
| 36 mm × 1 1/4" UNC | 96 mm × 1 1/4" UNC | 180 mm × 1 1/4" UNC |
| 38 mm × 1 1/4" UNC | 102 mm × 1 1/4" UNC | 200 mm × 1 1/4" UNC |
| 40 mm × 1 1/4" UNC | 108 mm × 1 1/4" UNC | 220 mm x 1 1/4" UNC |
| 46 mm × 1 1/4" UNC | 112 mm × 1 1/4" UNC | 245 mm × 1 1/4" UNC |