Active Member
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[China]
Address: No. 018, Yaojiapo Road., Jinzhou New District, Ningxiang County
Contact name:Spring Huang
Changsha Tianhe Drilling Tools and Machinery Co.,Ltd. |
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Diameter 17Inch 430mm TH12- (IR DHD112) DTH Hammer Bit For Construction Foundation Water Well Drilling
1. General introduction
| Shank Type | Bit Diameter(mm) | Bit Diameter(Inch)
| Bit Face | Gauge Buttons | Front Buttons | Flushing Hole |
| IR DHD112 | 381mm | 15inch | Concave/Flat/Drop center | 18×φ19 | 30×φ18 |
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2. Bit Face Shape Selection:
Spherical button : good wearing resistance, suited to hard ground, abrasive to very abrasive.
Parabolic button : fast penetration,suited to medium to hard rock,suitable for the mildly abrasive ground.
Conical button : fast penetration, suited for smaller diameter bits, suited for all non-abrasive ground types.
Ballistic button : fast penetration,suited to soft rock, suitable for non abrasive ground
3. Carbide Button Shape Selection:
1. Semi-Ballistic Buttons
2. Ballistic Button
3. Spherical Button
4. Two-step Button
4. Photos
