3 1/2 Tri-Wing Bits, Water Well Bits, Rock Drill Bits, Earth Bits, PDC Bits, Oil Bits, Step Bits

5 1/2 Tri-Wing Bits, Water Well Bits, Rock Drill Bits, Earth Bits, PDC Bits, Oil Bits, Step Bits

3 1/2 Three-Wing Bit, Water Well Bit, Rock Drilling Bit, Earth Bit, PDC Bit, Oil Bit, Four-Wing Concave Bit

8 1/2 Tri-Wing Bits, Water Well Bits, Rock Drill Bits, Earth Bits, PDC Bits, Oil Bits, Flat Top Bits

7 1/2 Tri-Wing Bit, Water Well Bit, Rock Drilling Bit, Earth Bit, PDC Bit, Oil Bit, Quad-Wing Bit

8 1/2 Tri-Wing Bit, Water Well Bit, Rock Drilling Bit, Earth Bit, PDC Bit, Oil Bit, Quad-Wing Bit

4 1/2 Three-Wing Bit, Water Well Bit, Rock Drilling Bit, Earth Bit, PDC Bit, Oil Bit, Four-Wing Concave Bit

5 1/2 Three-Wing Bit, Water Well Bit, Rock Drilling Bit, Earth Bit, PDC Bit, Oil Bit, Four-Wing Concave Bit

7 1/2 Three-Wing Bit, Water Well Bit, Rock Drilling Bit, Earth Bit, PDC Bit, Oil Bit, Four-Wing Concave Bit

4 1/2 Tri-Wing Bits, Water Well Bits, Rock Drill Bits, Earth Bits, PDC Bits, Oil Bits, Concave Bits

China Factory Price 4 Blade PDC Drill Bit PDC Step Drill Bit Durable for Geological Exploration

4 Wings PDC Hard Rock Non-Coring Diamond Drill Bit for Coal Mining

6" 153mm 200mm PDC Bit with 3 Wing 4 Wings Drilling Drag Bit for Hard Rock Drilling

Lower Price 1613 Rock PDC Drill Bit Cutter Inserts for Coal Mining

Deep Rock Well Drilling High Rotary Speed Matrix Body PDC Drill Bit Matrix Body 153mm 219mm

Speedamde PDC Bit 112 mm 3 Wings Thread API 2 3/8" Pin for Coal Miniing, Rock Drilling

Speedmade Water Well Driling Tools Matrix Body PDC Drill Bits for Big Sale!

3 Blades, 4 Blades, 5 Blades Diamond PDC Drag Drill Bit with Good Impact Resistance

250mm 200mm PDC Steel Body Bit with 4 Wings for Water Well Drilling

Water Well Drilling 4-3/4" 3 Wings Step PDC Drag Bit for Water Well Drilling

3 Blades Scraper PDC Diamond Non Core Drill Bits for Medium Hard Rock

Long Service Life Energy and Coal Mineral Equipment Rig PDC Drag Bit

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China Factory Wholesale 3 Blades PDC Step Drag Bit Geological Exploration Mining Well Drilling

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Speedmade 6 Wings 149mm Matrix Body Diamond PDC Carbon Steel Bit

China Factory High Penetration Mineral Ground Drill Bits Drilling Tools PDC Drag Bit