8 1/2"(215.9mm）steel body PDC drill bit PDC drilling bit

8 1/2"(215.9mm）steel body PDC drill bit PDC drilling bit

6"(152.4mm) tricone drill bits for non-excavation IADC637 tricone tooth bit

6"(152.4mm) tricone drill bits for non-excavation IADC637 tricone tooth bit

200mm IADC537 Tungsten Carbide Tricone Drill Bit

200mm IADC537 Tungsten Carbide Tricone Drill Bit

6 3/4'' iadc code 637 hard rock drilling tci triocne drill bit

6 3/4'' iadc code 637 hard rock drilling tci triocne drill bit

23"IADC115 rubber sealed bearing milled tooth tricone drill bit

23"IADC115 rubber sealed bearing milled tooth tricone drill bit

23"IADC125 rubber sealed bearing steel tooth tricone drill bit, drilling bit tool

23"IADC125 rubber sealed bearing steel tooth tricone drill bit, drilling bit tool

17 1/2"IADC115 rubber sealed bearing steel tooth tricone drill bit rock bit

17 1/2"IADC115 rubber sealed bearing steel tooth tricone drill bit rock bit

9 7/8’’(250.8mm) inserts tooth tricone roller rock bit drilling tools

9 7/8’’(250.8mm) inserts tooth tricone roller rock bit drilling tools

9 7/8’’(250.8mm) IADC637 hard rock drilling tci tricone drill oil and gad drrill bit

9 7/8’’(250.8mm) IADC637 hard rock drilling tci tricone drill oil and gad drrill bit

12 1/4''(311.1mm) IADC537 water drill tricone tci roller bit

12 1/4''(311.1mm) IADC537 water drill tricone tci roller bit

10 5/8’’(269.9mm) TCI tricone drill bit IADC537 Pilot drill bit

10 5/8’’(269.9mm) TCI tricone drill bit IADC537 Pilot drill bit

12 1/4'' 311mm IADC 517 tricone drill bit oilfield bit

12 1/4'' 311mm IADC 517 tricone drill bit oilfield bit

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