High air-pressure DTH hammer with Foot Valve

Mineral Exploration DTH Hammer bits 90 105 Medium and High Air Pressure DTH Bits DTH Drilling Bits can be divided into the following three types according to their appearance: 1. Flat type: suitable for drilling hard rock layers and highly corrosive rock layers under high wind pressure. 2. Convex type: suitable for drilling soft to medium hard rocks with medium to low wind pressure, with fast drilling speed. 3. Concave type: suitable for all rock layers, especially in medium hard rocks, with good drilling straightness and slag removal effect.

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