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Drill pipe joint code | Drill Pipe | Drill Pipe Joints(mm) | ||||||||
Spec. | Steel Grade | OD | ID of Pin Tap | Tong Space of Pan Tap | Tong Space of Box Tap | |||||
NC26 | 2 3/8'' | DZ5O,R780 | Ø86 | Ø45 | 178 | 203 | ||||
2 3/8'' | G105 | Ø85.7 | Ø44.5 | 178 | 203 | |||||
NC31 | 2 7/8'' | ZD5,R780 | Ø104.8 | Ø50.8 | 232 | 280 | ||||
2 7/8'' | G105 | Ø104.8 | Ø50.8 | 232 | 280 | |||||
NC38 | 3 1/2'' | DZ50,R780 | Ø127 | Ø65.09 | 248 | 310 | ||||
3 1/2'' | G105 | Ø127 | Ø61.9 | 248 | 310 | |||||
NC46 | 4 1/2'' | DZ50,R780 | Ø158.8 | Ø82.6 | 236 | 320 | ||||
4 1/2'' | G105 | Ø158.8 | Ø76.2 | 236 | 320 | |||||
NC50 | 4 1/2'' | G105 | Ø168.3 | Ø86 | 236 | 320 | ||||
5'' | DZ50,R780 | Ø168.3 | Ø89/82.6 | 236 | 320 | |||||
5'' | G105 | Ø168.3 | Ø82.6 | 236 | 320 |