Wuxi Drilling Tools Factory Co.,Ltd
Parameter teknik
| Kepala | Tabung luar | Ban dalam | Berat unit | |||||
| Panjangnya | Diameter luar | Diameter luar | Dalam diameter | Diameter luar | Dalam diameter | Kg | ||
| Inti biasa barel perakitan | SC56 | 672 | 35 | 54 | 45 | 41 | 37 | 40 |
| S59 | 675 | 36 | 58 | 49 | 43 | 38 | 40 | |
| S75 / S75B | 1180 | 49 | 73 | 63 | 56 | 51 | 62 | |
| S91 | 62 | 88 | 77 | 71 | 65 | 93 | ||
| S95 / S95B | 64 | 89 | 79 | 73 | 67 | 93 | ||
| Barrel inti untuk strata yang kompleks | S75-I | 47 | 73 | 63 | 56 | 51 | 62 | |
| S95-I | 62 | 89 | 79 | 73 | 67 | 93 | ||
| S75-SF | 49 | 73 | 63 | 56 | 51 | 62 | ||
| S95-SF | 62 | 89 | 79 | 73 | 67 | 93 | ||
| S150-SF | 93 | 140 | 125 | 106 | 98 | 130 | ||
