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TEL：
400-635-9960
Classification of down the hole bit
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[Abstract]:
Our DTH bits are manufactured in both high and low wind pressures,
Generally, the specifications of low wind pressure are φ 90, φ 95, φ 100, φ 110 and φ 130,The specifications of high wind pressure are φ 115 and φ 120, which are our common production models.
What are the connection types of air drill bit?
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