best Down the hole drilling tool

Ways to improve the service life of dth hammer:for the problem that affects the service life of the drill bit, the following solutions can be adopted: a. because the titanium alloy has large elastic deformation and the hole is easy to shrink, the drill tip is slightly sharpened to appropriately...

Dth bits m60 dth bit for brazil 190mm dth mission bit is mainly used for quarrying, ore mining, coal mining, soft, medium hard, and hard rock, blast hole drilling and water well drilling project.

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