Tungsten Carbide Gauge Section
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China factory 127mm 4-wing PDC Drill Bit PDC Drag Bit PDC Blade Bit Rock Cutting Tool
Type: 127mm four wings PDC drill bit
Outer diameter: 127mm. Blade count: 4. Crown profile: concave.
PDC cutters: 1308 series, 3 PDC cutters per blade plus 6 gauge segments
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