High Performance 5 Blades Steel Body PDC Drill Bit for Oil Well Drilling The core component is polycrystalline diamond composite sheet - sintering diamond micro powder and hard alloy substrate together under high temperature and high pressure, which has both the ultra-high hardness of diamond and the toughness of hard alloy, like installing "diamond claws" on drill bits. The drill bit itself is integrated and has no moving parts. It mainly consists of a joint, drill body,
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