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146mm Diamond Drill Bit PDC Concave Drag Bit For Coal Mining Rig
Description of PDC Drag Bits:
PDC Concave Drag Bit is a full-scale drilling bit, mainly be used in construction ,mining, geology, coal, water conservancy and hydropower, highway, high speed railway and bridge etc.
PDC Drag Bits:
Product: PDC drag bits
Size: 60mm - 660mm
Wings: 3 wings, 4 wings, 5 wings, 6 wings
Condition: Brand new PDC cutter drag bit
Drilling formation: Soft to hard rock formation
Application: Water well, oil well, ore well drilling
Connection: API reg pin/ box thread
Gauge protection: with
Color: Blue, Golden, Silvery
PDC Drag Bits Specifications:
| Size (Inch) | Size (mm) | Std. API thread | Approximate weight (kgs) |
| 2-3/8 | 60 | Non-std. | 1.3 |
| 2-1/2 | 63.5 | Non-std. | 1.5 |
| 3 | 76 | Non-std. | 2 |
| 3-1/2 | 89 | Non-std. | 3.5 |
| 3-7/8 | 98.4 | 2-3/8" | 5 |
| 4 | 102 | 2-3/8" | 5.5 |
| 4-1/4 | 108 | 2-3/8" | 6.5 |
| 4-5/8 | 117.5 | 2-7/8" | 8 |
| 5-1/4 | 133 | 2-7/8" | 11 |
| 5-5/8 | 142.9 | 3-1/2" | 13 |
| 5-7/8 | 149.2 | 3-1/2" | 14 |
| 6 | 152 | 3-1/2" | 17 |
| 6-1/8 | 155.6 | 3-1/2" | 18 |
| 6-1/4 | 159.3 | 3-1/2" | 20 |
| 6-1/2 | 165 | 3-1/2" | 22 |
| 7-1/2 | 190.5 | 4-1/2" | 31 |
| 7-5/8 | 193.7 | 4-1/2" | 32 |
| 7-7/8 | 200 | 4-1/2" | 35 |
| 8-1/2 | 215.9 | 4-1/2" | 42 |
| 8-5/8 | 219 | 4-1/2" | 44 |
| 8-3/4 | 222.3 | 4-1/2" | 45 |
| 9-1/2 | 241.3 | 6-5/8" | 60 |
| 9-5/8 | 244.5 | 6-5/8" | 65 |
| 9-3/4 | 247.7 | 6-5/8" | 70 |
| 9-7/8 | 250.8 | 6-5/8" | 75 |
| 10-5/8 | 270 | 6-5/8" | 82 |
| 11-5/8 | 295 | 6-5/8" | 90 |
| 12-1/4 | 311.2 | 6-5/8" | 98 |
| 13-5/8 | 346.1 | 6-5/8" | 134 |
| 15-1/2 | 394 | 6-5/8" | 190 |
| 16 | 406.4 | 6-5/8" | 200 |
| 17-1/2 | 444.5 | 7-5/8" | 251 |
| 20 | 508 | 7-5/8" | 300 |
| 24 | 610 | 7-5/8" | 600 |
| 26 | 660.4 | 7-5/8" | 700 |
PDC Drag Bits Photos:
Production Process:
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