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118mm 3 blades step Drag Bit
Drag Bit
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4 1/2 inch PDC Drag Bit ,3 blades
Drag Bit
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3 blades Step Drag Bit
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5 1/4 inch PDC Drag Bit ,3 blades
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5 5/8 inch PDC Drag Bit ,3 blades
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6 inch PDC Drag Bit ,4 blades
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4 blades step Drag Bit
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6 1/2 inch PDC Drag Bit,3 blades
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7 1/2 inch PDC Drag Bit ,3 blades
Drag Bit
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9 7/8 inch,3 blades step Drag Bit
Drag Bit