Changsha Tianhe Drilling Tools and Machinery Co.,Ltd.
To survive with high quality,to develop with non-stop innovation,to repute with thoughtful service,to brand with great sincerity
Add to Cart
Water Well Drilling Rock Hammer Drill Bits DHD360 171mm Diameter ISO9001 Approval
DHD360-171mm Button Bit DTH Bit For DHD360 Hammer For Blasting Hole
Bit Face Selection: Flat face, Concave face, Convex face.
| 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, Saudi Arab, Italy, Sweden, Kenya, Australia, South Africa, Russia,Italy, etc.