118mm 3 blades step Drag Bit
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6 inch PDC Drag Bit ,4 blades
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6 1/2 inch PDC Drag Bit,3 blades
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9 7/8 inch,3 blades step Drag Bit
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Superdrill specialize in research and development of drilling tools and drilling equipments, we are manufacturing and marketing with senior technical staffs for many years. Our company has a group of experienced designers and engineers, who are servicing in dr.... [View
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Name: lucy
Tel/Whatsapp:+86 18186993613
Email: info@superdrill.com.cn
Add: Rainbow road,No.188 ,Xishui, wuhan ,Hubei province,China
