Simétri bit
Adavantage
1. rarancang concentric leuwih dipercaya jeung kirang torsi ti saendeng nu.
2. kakuatan dampak badag sangkan pangeboran speed tinggi.
3. liang straighter.
4. gampang nuturkeun casing.
5. rotasi ngabalikeun sarta mundur bit pilot pikeun make eta pikeun salajengna liang .
A | B | C | D | E | F |
Diaméter Luar.tinaTabung Casing | Di jero.tinaTabung Casing | Reamed Dia. | Min.Di jero.tinaSapatu Casing | Tipe Palu | Pipa bor |
mm | mm | mm | mm | mm | |
114 | 101-103 | 125 | 93 | TDS79 | 60 |
140 | 124-127 | 152 | 113 | TDS98 | 76 |
146 | 127-132 | 154 | 115 | TDS98 | 76 |
168 | 149-155 | 184 | 138 | TDS122 | 76,89 |
178 | 159-165 | 194 | 148 | TDS122 | 76,89 |
193 | 173-180 | 206 | 164 | TDS139 | 114 |
219 | 199-206 | 234 | 185 | TDS139, TDS180 | 114 |
244 | 224-231 | 273 | 219 | TDS180 | 114 |
Pituduh urutan: A+B+C+D+G
Tulis pesen anjeun di dieu sareng kirimkeun ka kami