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Safety clamps Type C and T are necessary tools for handling flush joint pipes and drill collars.They are accommodate pipes from 1 1/8 to 15 5/8inch. They are designed and manufactured according to API Spec 7K Specification for drilling and well servicing equipment .
API 7K WT drill collar slip
WT drill collar slips can accommodate drill collar from 41/2inch(114.3mm) to 14 inch(241.3mm) O.D..
| Slip Type | WT 4 1/2-6 | WT 5 1/2-7 | WT6 3/4-8 1/4 | WT 8-9 1/2 | |
|
Drill Collar OD |
in | 4 1/2-6 | 5 1/2-7 | 6 3/4-8 1/4 | 8-9 1/2 |
| mm | 114.3 | 139.7 | 171.5 | 203.2 | |
| 152.4 | 177.8 | 209.6 | 241.3 | ||
| Weight | Kg | 49 | 46 | 42 | 39 |
| Lb | 108 | 101 | 92 | 86 | |
| Insert Bowl No. | API or No.3 | ||||
| Max Load | 40 tons | ||||