Symmetrix Bits
Anfani
1. awọn concentric oniru jẹ diẹ gbẹkẹle ati ki o kere iyipo ju eccentric.
2. agbara ipa nla lati ṣe liluho iyara giga.
3. straighter iho .
4. rọrun lati tẹle awọn casing.
5. yiyi pada ki o si yọ awọn awaoko bit lati lo o fun tókàn ihò.
A | B | C | D | E | F |
Lode Dia.tiCasing Tube | Dia inu.tiCasing Tube | Reamed Dia. | Min.Dia inu.tiCasing Shoe | Hammer Iru | lu Pipes |
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 | Ọdun 159-165 | 194 | 148 | TDS122 | 76,89 |
193 | 173-180 | 206 | 164 | TDS139 | 114 |
219 | Ọdun 199-206 | 234 | 185 | TDS139,TDS180 | 114 |
244 | 224-231 | 273 | 219 | TDS180 | 114 |
Itọsọna Bere fun: A+B+C+D+G
Kọ ifiranṣẹ rẹ nibi ki o si fi si wa