Changsha Sollroc Engineering Equipments Co., Ltd
FOCUS IN MANUFACTURING OF HIGH QUALITY DTH AND RC DRILLING TOOLS.
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4" Down The Hole Atlas Copco Cop44 DTH Button Drill Bits For Rock Drilling
Product specifications:
| Hammer: COP 44,440 Ingers oil-Rand DHD 340A, DH4, Minroc 4 valveless, Compair Holman VOL 400 | ||||||
| Diameter mm | Part No. | Buttons x Button diam(Gauge outer, Gauge inner, Centre, Cone) | Gauge buttons angle o (Outer, Inner, Cone) | Flushing holes (No. x size mm) | Weight approx. kg | Foot valve Part No. |
| Flat front, HD | ||||||
| 105 | 100-5105-34,24-20 | 8x14.5, - ,7x12.7, - | 35, - , - | 2 | 8.6 | |
| 110 | 100-5110-34,24-20 | 8x14.5, - ,7x12.7, - | 35, - , - | 2 | 8.7 | |
| 115 | 100-5115-34,24-20 | 8x14.5, - ,8x12.7, - | 35, - , - | 2 | 9 | |
| 125 | 100-5125-34,24-20 | 8x14.5, - ,10x12.7, - | 35, - , - | 2 | 10.5 | |
| 130 | 100-5130-34,24-20* | 8x14.5, - ,10x12.7, - | 35, - , - | 2 | 11 | |
| 140 | 100-5140-34-1218,08-20* | 8x16.0, - ,9x14.5, - | 35, - , - | 2 | 11.5 | |
| Hammer: COP 44,440 Cont. | ||||||
| Diameter mm | Part No. | Buttons x Button diam(Gauge outer, Gauge inner, Centre, Cone) | Gauge buttons angle o (Outer, Inner, Cone) | Flushing holes (No. x size mm) | Weight approx. kg | Foot valve Part No. |
| SpeedBit | ||||||
| 110 | 100-5110-34-55,24-20 | 8x14.5, - ,7x12.7, - | 35, - , - | 2 | 8.7 | 9237 |
| 115 | 100-5115-34-55,24-20 | 8x14.5, - ,8x12.7, - | 35, - , - | 2 | 9 | 9237 |
| 125 | 100-5125-34-55,24-20 | 8x14.5, - ,10x12.7, - | 35, - , - | 2 | 10.5 | 9237 |
| 130 | 100-5130-34-55,24-20 | 8x14.5, - ,10x12.7, - | 35, - , - | 2 | 11 | 9237 |
| Convex front, Ballistic | ||||||
| 105 | 100-5105-34-61,24-20 | 7x14.5 4x14.5 2x14.5, - | 40, 20, - | 2 | 8.2 | 9237 |
| 110 | 100-5110-34-61,24-20 | 7x14.5 4x14.5 2x14.5, - | 40, 20, - | 2 | 8.4 | 9237 |
| 115 | 100-5115-34-61,24-20 | 7x14.5 4x14.5 3x14.5, - | 40, 20, - | 2 | 8.5 | 9237 |
| 115 | 100-5115-34-2234,08-20 | 8x12.7 4x12.7 3x12.7, - | 45, 30, - | 2 | 9 | 9237 |
| 125 | 100-5125-34-61,24-20 | 9x12.7 6x12.7 5x12.7, - | 40, 20, - | 3 | 9.1 | 9237 |
| 130 | 100-5130-34-61,24-20* | 9x12.7 6x12.7 5x12.7, - | 40, 20, - | 3 | 9.3 | 9237 |
| Reaming bit for 104-115 mm pilot holes | ||||||
| 165 | 100-5165-34-9102,08-20 | 14x16 | 35 | 2 | 15.9 | 9237 |
| Hammer Size | Bits diameter | Shank | |
| Metric | Inch | ||
| 1" | 64mm-70mm | 2 1/2"-2 3/4" | BR1 |
| 2" | 70mm-95mm | 2 3/4"-3 3/4" | MACH20/BR2 |
| 3" | 90mm-102mm | 3 1/2"-4" | COP32/COP34/MACH303 |
| M30/DHD3.5/BR3 | |||
| 4" | 105mm-152mm | 4 1/8"-6" | COP44/DHD340/MACH44 |
| SD4/M40/QL40 | |||
| 5" | 133mm-165mm | 5 1/4"-6 1/2" | COP54/DHD350R/MACH50 |
| SD5/M50/QL50/BR5 | |||
| 6" | 152mm-254mm | 4 1/8"-10" | COP64/DHD360/SD6 |
| M60/QL60/Bulroc BR6 | |||
| 8" | 203mm-330mm | 8"-13" | COP84/DHD380/SD8 |
| QL80/M80/M85 | |||
| 10" | 254mm-380mm | 10"-15" | SD10 |
| NUMA100 | |||
| 12" | 305mm-508mm | 12"-20" | DHD1120/SD12 |
| NUMA120/NUMA125 | |||
We can also provide related products DTH button bits, ODEX, symmetric overburden systems, slide block drilling systems, etc and DTH drilling pipes for various thread API REG, API IF, BECO, etc
Product photos
Sollroc COP44 DHD340 DTH Drill Button Bits
1. High and low air pressure down-the-hole drill bits
2. Low air pressure holeDia.: 65-220mm
3. High air pressure hole Dia.: 85-305mm
4. Face type: Drop center/concave/convex/double gauge/flat
5. Our DTH Bit can be suitable for many types of DTH Hammer, such as XL, Mission, COP, IR, Mach, Demag, SD, Bulroc, Halco Mach, Digger etc.
6. Inch available: 3", 4", 5", 6", 8", 12", etc...
High pressure dth bit
DTH bit is our company main product. After mang years search, we have rich experience in development and manufacture which adopted high-quality raw materials, advanced craft technology and passed through strictly inspection, manufacturing high quality products.
SOLLROC is a leading manufacturer of rock drilling tools, like DTH hammers and bits, DTH drill pipes, RC hammers and bits, tophammer button bits, coupling, cross bits, drill rods located in Changsha, Hunan, China.
We have rich experience in this field of DTH hammers and bits for 20 years.
Owing to high quality, professional serivce and competitive price, we have gotton good reputation from our customers all over the world, such as France, Spain, Italy, South Africa, Australia, Iran, Malaysia, etc.