4" Dth Bits

3 Small DTH Bits for Water Well Drilling Hubei Changyangsheng 1. optimized for high RPM 2. Excellent hole straightness 3. Low air consumption

3 4 5 Low pressure down the hole impactor for water well drilling 1. Low starting pressure (7-10 Bar) 2. Suitable for small air compressors 3. Efficient and fuel-efficient

Drill Rod Adapter API Thread Connector for DTH Joint 1. Compliant with API standard threads 2. High strength alloy steel forging 3. Excellent torque transmission capability

Bit shank: DHD340, QL40 MISSION40 Matched Hammer: JH4/JS4 Bit face: Flat, Concave, Convex Hole Range: 105-130mm