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Model Number : Drag bit
Certification : API & ISO
Place of Origin : China
MOQ : 1 pc
Price : USD50-600/spc
Payment Terms : L/C, T/T, Western Union, MoneyGram
Supply Ability : 800 pcs per month
Delivery Time : 7-30 days
Packaging Details : Export Wooden Case
Product Name : 146mm Diamond Drill Bit PDC Concave Drag Bit For Coal Mining Rig
Keywords : PDC Concave Drag Bit
Application : Water well drilling, mining, oil well drilling, railways, highways,coal mining, etc.
Warranty : One year
Bit Size : 2 3/8"~ 26"
Material : Alloy steel, Tungsten Carbide Inserts
PDC cutter size : 1303, 1304,1308,1603
Color : Golden, Gray, or as request
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:

If any needs, pls contact us freely:
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| 146mm Diamond Drill Bit PDC Concave Drag Bit For Coal Mining Rig Images | 
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