Spiral drill Collar
USD $1,000 - $100,000 /Piece
Min.Order:1 Piece
Goldenman Petroleum Equipment Co., Limited
OD RangeIn | 4~4 3/8 | 4 1/2~5 1/8 | 5 1/4~5 3/4 | 5 7/8~6 3/8 | 6 1/2~7 | 7 1/8~7 7/8 | 8~8 7/8 | 9~9 7/8 |
Depth of cutin | 6/32±1/32 | 7/32±1/32 | 1/4±1/32 | 9/32±1/16 | 5/16±1/16 | 11/32±1/16 | 3/8±1/16 | 13/32±3/32 |
Spiral Pitchin | 36±1 | 38±1 | 42±1 | 42±1 | 46±1 | 64±1 | 68±1 | 72±1 |