Bit Size (in) |
Working O.D. (mm) |
End O.D. of Body (mm) |
I.D. (mm) |
Length (mm) |
Thread Code on Both Ends | |||
String Type | Near Bit Type | |||||||
Top | Down | Top | Down | |||||
6 | 152.4 |
121 |
51 | 1,200 | NC38 | 3-1/2 REG | ||
6-1/4 | 158.7 | |||||||
6-1/2 | 165.1 | |||||||
7-1/2 | 190.5 | 159 | 57 | 1,600 | NC46 |
4-1/2 REG |
||
7-7/8 | 200 | |||||||
8-3/8 | 212.7 |
159 165 |
71 |
16,00 18,00 |
NC46 NC50 |
|||
8-1/2 | 215.2 |
159 165 178 |
||||||
8-3/4 | 222.2 | |||||||
9-1/2 | 241.3 |
178 197 |
16,00 |
NC50 |
NC50 |
NC50 |
6-5/8 REG |
|
9-5/8 | 244.5 |
18,00 |
||||||
9-7/8 | 250.8 | |||||||
12-1/4 | 311.2 |
203 229 |
76 | 18,00 |
NC56 6-5/8 REG |
NC56 6-5/8 REG |
NC56 6-5/8 REG |
6-5/8 REG |
16 | 406 |
229 241.3 |
2,000 2,200 |
NC61 7-5/8 REG |
NC61 7-5/8 REG |
NC61 7-5/8 REG |
NC61 7-5/8 REG |
SHAANXI KERGY MECHANICAL EQUIPMENT CO.,LTD
TEL: +86-29-85578975 EXT. 8002 | MOBILE: +86-18792562982
E-MAIL: sales@kergyoilfield.com
ADD: ZHANGBA TWO ROAD, GAOXIN DISTRICT, XI'AN CITY, SHAANXI PROVINCE, CHINA