Confind makes new threads as presented below on complete
supply parts or on material provided by the Client as well
as thread recut on used equipment. Inspection of threads is performed as pe
API specifications. Upon requests cold rolling of the thread
root and magnetic particle inspection can be provided.
| API SHORT THREAD ROUND(STC) |
| 4 1/2 |
| 5 |
| 5 1/2 |
| 6 5/8 |
| 7 |
| 7 5/8 |
| 8 5/8 |
| 9 5/8 |
| 13 3/8 |
| 16 |
| 18 5/8 |
| 20 |
|
|
| API NON UPSET (NU) |
| 2 3/8 |
| 2 7/8 |
| 3 1/2 |
| 4 |
| 4 1/2 |
|
|
| API BUTTRESS (BTC) |
| 4 1/2 |
| 5 |
| 5 1/2 |
| 6 5/8 |
| 7 |
| 7 5/8 |
| 8 5/8 |
| 9 5/8 |
| 13 3/8 |
| 20 |
|
| API LONG THREAD ROUND(LTC) |
| 4 1/2 |
| 5 |
| 5 1/2 |
| 6 5/8 |
| 7 |
| 7 5/8 |
| 8 5/8 |
| 9 5/8 |
| 20 |
|
|
| DRILL STEAM/STRING CONNECTIONS |
| NC 26(2 3/8 IF) |
| NC 31(2 7/8 IF) |
| NC 38(3 1/2 IF) |
| NC 40(4 FH) |
| NC 46(4 IF) |
| NC 50(4 1/2 IF) |
| 2 3/8 REG |
| 2 7/8 REG |
| 3 1/2 REG |
| 4 1/2 REG |
| 5 1/2 REG |
| 6 5/8 REG |
| 7 5/8 REG |
| 5 1/2 FH |
| 6 5/8 FH |
|
|
| API UPSET (EU) |
| 2 3/8 |
| 2 7/8 |
| 3 1/2 |
| 4 |
| 4 1/2 |
|
