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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2 "-24" DTH Button Bits For Difference Hard Rock DTH Hammer Drilling
Button Bit From 2" To 24"
Bit Face Selection: Flat face, Concave face, Convex face.
Application: Blasting Hole
| HAMMER INCH | BIT DIA(MM) | BIT DIA(INCH) | SHANK |
| 1" | 64MM-76MM | 2 1/2"-3" | BR1 |
| 2" | 76MM-90MM | 3"-3 1/2" | BR2/PAD320 |
| 3" | 85MM-105MM | 3 2/5"-4" | BR3/COP32 |
| 3.5" | 85MM-110MM | 3 2/5"-4 1/3" | DHD3.5/IR3.5/COP34 |
| 4" | 105MM-140MM | 4"-5 1/2" | DHD340/COP44/QL40/SD4/MISSION40 |
| 5" | 127MM-200MM | 5"-8" | DHD350/COP54/QL50/SD5/MISSION50 |
| 6" | 152MM-254MM | 6"-10" | DHD360/COP64/QL60/SD6/MISSION60 |
| 8" | 195MM-350MM | 7.2/3"-13 4/5" | DHD380/COP84/QL80/SD8/MISSION80 |
| 10" | 254MM-380MM | 10"-15" | QL10/SD10/NUMA100 |
| 12" | 305MM-457MM | 12"-18" | SD12/NUMA120/DHD112 |
| 14" | 445MM-600MM | 17 1/2"-23 1/2" | TH14/TS14 |
Different Faces Shapes
CONCAVE / FLAT / CONVEX
Different Buttons Shapes
1. Dome / Round button
Used as gauge buttons of DTH bits, suitable for very abrasive and
very hard rock formation.
2. Parabolic / Semi-ballistic
Used as gauge buttons and front buttons of DTH Bits, suitable for
medium abrasive and hard rock formations.
3. Ballistic button
Used front buttons of DTH bits, suitable for medium abrasive and
medium hard formations. Also be used as gauge buttons for soft
rock.
Mainly market
China, Chile, Brazil, Peru, Korea,Malaysia, Italy, Germany, Sweden,
Saudi Arab, Kenya, Australia, South Africa, Russia, etc.
