Casing drilling tools
1.Drilling and casing advancement are synchronized to prevent hole collapse and shrinkage
2.Compatible with various DTH hammers and drilling rigs
The rotary wing casing drilling tool realizes reaming drilling through expandable and retractable wings, with simultaneous drilling and casing advancement.
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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