group nameDrilling Tools
Min Order5 piece
modelSpiral drill
update timeMon, 08 Apr 2013 00:05:31 GMT
API 7-1 Spiral drill collar with Elevator Groove And Slip Groove
CNC or Not Normal
Condition New
Min Order5 piece
Elevator groove and slip groove made on box thread face of slick drill collar or spiral drill collar can be used as lifting sub and safety slip when trip out. The technical parameters for elevator groove and slip groove is as per API Spec 7-1 Hard banding is optional at customers request.
Drill collar ranges O.D.(mm) | Elevator groove depth (mm) | Elevator groove length(mm) | Slip groove length(mm0 | Slip groove length(mm) |
101.6-117.5 | 5.6 | 4.8 | 406 | 457 |
120.6-142.9 | 6.4 | 4.8 | 406 | 457 |
146.0-168.3 | 7.9 | 6.4 | 406 | 457 |
171.4-219.1 | 9.5 | 6.4 | 406 | 457 |
no less than 222.2 | 11.1 | 6.4 | 406 | 457 |
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