Step-Type Drag Bits
1.certified by ISO9001&API 2.high quality, competitive price 3.large number of stock 4. Can be customized
Step Type Drag Bit
Suitable design of structure enhances the intensity of bits and makes better gauge protection.High quality tungsten carbide ensures good life-span.The stable and reliable welding technology ensures better quality stability.Good match between drill pipes with high precise thread, easily disassembled.
| Size | Type Pin | Wt. (lbs.) |
| 2 3/4" - 3 1/2" | 4 THD N - Rod | 3 1/2 |
| 2 5/8" - 4 3/4" | 2 3/8" API | 5 1/2 |
| 4 7/8" - 5 1/8" | 2 3/8" API | 7 |
| 5 1/4" - 5 1/2" | 2 3/8" API | 8 |
| 5 5/8" - 6" | 2 3/8" API | 8 |
| 6 1/8" - 6 1/4" | 2 3/8" API | 8 1/2 |
| 6 1/2"- 6 3/4" | 2 3/8" API | 9 |
| 5 1/2" - 6 3/4" | 3 1/2" API | 22 |
| 6 7/8" - 7 7/8" | 3 1/2" API | 23 |
| 8" - 9" | 3 1/2" API | 24 |
| 9 1/8" - 10 7/8" | 3 1/2" API | 25-30 |
| 7 7/8" - 8 7/8" | 4 1/2" API | 40 |
| 9" - 9 7/8" | 4 1/2" API | 42 |
| 10" - 10 7/8" | 3 1/2" API or 4 1/2" API | 45 |
| 11" - 12 1/4" | 3 1/2" API or 4 1/2" API | 50 |
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Step-Type Drag Bits
