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ST68 127mm Retractable Drill Bit with Drop Center Mining Drill Bits for Drilling Loose Broken Rock We have a complete line of fast penetration and roc...

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Product Description: Our PDC Bits are also known as Polycrystalline Diamond Compact Bits. They are designed with advanced PDC Bits Technology, which m...

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Small Rock Drill Bits 40mm 8 Buttons Tungsten Carbide Taper Drill Rock Button Bits JCDRILL Tapered Button Bit Product Description JCDRILL tapered bits...

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