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Drill connector
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Common models of drill bit connectors are B19 and B22, which are suitable for corresponding specifications of drill rods. The materials are 40cr and No. 45 steel, which are vacuum quenched and tempered, and precision machined by CNC lathes. The connecting threads with the drill bit have specifications such as 14×1.5, and the connecting threads with the drill rod are 6*6cm, etc. It is mainly used to connect the drill rod and the drill bit to ensure the smooth progress of drilling operations.
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