5" Atlas Copco Down The Hole DHD350 DTH Button Drill Bits For Waterwell Drilling
Product specifications: DHD350 dth bits
For 5" hammer
DTH bits shank | Bit Dia. | No.
Air Holes | Gauge
Buttons | Front
Buttons | Weight
(Kg) | Part No. |
| mm | inch |
| DHD350R/COP54 | 133 | 5 1/4" | 2 | 7×φ16 | 6×φ14 | 15.0 | DHD350-133 |
| 140 | 5 1/2" | 2 | 7×φ18 | 7×φ14 | 16.0 | DHD350-140 |
| 146 | 5 3/4" | 2 | 8×φ18 | 7×φ14 | 17.0 | DHD350-146 |
| 152 | 6" | 2 | 8×φ18 | 8×φ14 | 17.5 | DHD350-152 |
| 165 | 6 1/2" | 2 | 8×φ18 | 8×φ16 | 18.5 | DHD350-165 |
| SD5 | 133 | 5 1/4" | 2 | 7×φ16 | 6×φ14 | 15.5 | SD5-130 |
| 140 | 5 1/2" | 2 | 7×φ18 | 7×φ14 | 16.0 | SD5-140 |
| 146 | 5 3/4" | 2 | 8×φ18 | 7×φ14 | 16.5 | SD5-146 |
| 152 | 6" | 2 | 8×φ18 | 8×φ14 | 17.0 | SD5-152 |
| 165 | 6 1/2" | 2 | 8×φ18 | 8×φ16 | 19.0 | SD5-165 |
| QL50 | 133 | 5 1/4" | 2 | 7×φ16 | 6×φ14 | 15.5 | QL50-130 |
| 140 | 5 1/2" | 2 | 7×φ18 | 7×φ14 | 16.0 | QL50-140 |
| 146 | 5 3/4" | 2 | 8×φ18 | 7×φ14 | 16.5 | QL50-146 |
| 152 | 6" | 2 | 8×φ18 | 8×φ14 | 17.0 | QL50-152 |
| 165 | 6 1/2" | 2 | 8×φ18 | 8×φ16 | 19.0 | QL50-165 |
| Mission50 | 133 | 5 1/4" | 2 | 7×φ16 | 6×φ14 | 12.5 | M50-130 |
| 140 | 5 1/2" | 2 | 7×φ18 | 7×φ14 | 13.5 | M50-140 |
| 146 | 5 3/4" | 2 | 8×φ18 | 7×φ14 | 14.0 | M50-146 |
| 152 | 6" | 2 | 8×φ18 | 8×φ14 | 14.4 | M50-152 |
| 165 | 6 1/2" | 2 | 8×φ18 | 8×φ16 | 15.0 | M50-165 |
We can also provide related products RC hammers, RC bits, 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
We can design and manufacture according to customer's requirement of the Bit DiaNo. Air holescarbide button shape and the face shape. High air pressure and low air pressure.
1. 10 years manufacturing experience;
2. Certificate: ISO9001:2008
3. Material: Carbide
All products are compatible with many products manufactured by , Atlas Copco, etc, all our products are widely used in mining, tunneling, quarrying, construction, and civil engineering project.
Down The Hole (DTH) Drilling Tools
A wide range of products, including DTH Bits, DTH Hammer, DTH Drill Tube, ODEX & RC Drill Tools, Down The Hole (DTH) Drilling Spare Parts, Diamond Grinding Cups/Pins for Button Bits Sharpening.
Down-the-hole rock tools (drilling tools) are rock drilling equipment which takes compressed air as power source to partially transfer impact power into drilling holes. An air distributing device in a top hammer controls a piston to move back and forth. An impact device arranged in the front of the top hammer transfers the impact powder to a down-the-hole bit to crush rocks.
• Our product range covers the most diverse applications in mining, natural resources exploration, water wells, quarries and civil works.
• Our products go from 3 to 25 inches drilling diameter.
• Sollroc enhances its product line with a number of accessories and peripheral products, seeking to add value to the end user of Down The Hole equipments.
Down The Hole (DTH) Hammer
When percussion or hammer drilling the percussion mechanism is called a DTH or down the hole hammer. This drilling tool is located directly above the down hole hammer bit. The driller transfers weight to the bit through the drill pipe as well as provides some rotation. Through the use of a compressor, the pressurized air is forced to the down hole hammer. As the drilled hole gets deeper the driller adds more drill pipe to the string. The piston strikes the impact zone of the hammer bit; hammers are always used as part of a casing advancement system and can be used in reverse circulation applications. DTH hammers are common when drilling blast holes and water wells.
Suitable choice of raw material, advanced processing technology and perfect quality warranty.
With hardened treatment, drilling life can be extended and then cost can be reduced.
Size range 3’’, 3.5’’, 4’’, 5’’, 6’’, 8’’, 10’’, 12’’ etc.
Shank styles: DHD3.5, DHD340, DHD350, DHD360, DHD380; COP44, COP54, COP64, COP84; TD40, QL50, QL60, QL80; Mission40, Mission50, Mission60, Mission80; SD4, SD5, SD6, SD8.SD10,SD12,NUMA120,NUMA125
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5" Atlas Copco Down The Hole DHD350 DTH Drill Bits For Waterwell Drilling Images
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