Water Well DTH Drilling Tools , QL80 M80 DTH Bit and Down Hole Hammer Drill
In DTH drilling, the rock drilling bit is a continuation of the shank, which the rock drill piston strikes directly. Since the piston is in direct contact with the drill bit, little energy is lost. This gives DTH drilling a nearly constant penetration rate regardless of hole length.
DTH bits are paired with their corresponding hammers (by drilling hole diameter and spline configuration). Customers can customize their DTH bits in various ways, such as changing the tungsten carbide insert profile (spherical, ballistic, etc.), face profile (flat face, concave, convex, etc.), and flushing holes.
• Medium to large size drilling diameters
• Works in high pressure range, capable of drilling deep hole lengths
Applications of DTH Bit
• Underground mining
• Tunneling
• Quarry benching operations
Competitive Advantage
• High grade tungsten carbide inserts
• Bit bodies manufactured from high grade steel and processed using state-of-the-art CNC machinery and heat treatment
Specification of DTH Bits
| Model | Flushing Holes | Diameter (mm) | Weight (kg) | Gauge Buttons ( No.x mm) | Front Buttons ( No. x mm) | DTH Hammer |
| DTH65PQ | 1 | 68 - 72 | 1.5 | 4 x12 | 3 x 12 | DTH65 |
| DTH75PQ | 3 | 75 - 77 | 2.4 | 5 x 12 | 3 x 12 | DTH70 |
| DTH76PQ | 2 | 76 - 78 | 2.5 | 5 x 12 | 3 x 12 | DTH76 |
| DTH76-78 | 2 | 78 - 82 | 2.6 | 5 x 12 | 3 x 12 | DTH76 |
| DTH80PQ | 3 | 82 - 84 | 3 | 5 x 12 | 6 x 12 | DTH80, DTH80X |
| DTH90A | 3 | 90 - 95 | 3.6 | 6 x 14 | 4 x 12 | DTH80, DTH80X |
| DTH80XD-90 | 3 | 90 - 95 | 3.4 | 6 x 12 | 4 x 12 | DTH80XD |
| DTH80-II-80 | 3 | 80 - 82 | 3 | 5 x 12 | 4 x 12 | DTH80-II |
| DTH90B | 3 | 90 - 95 | 3.8 | 6 x 14 | 4 x 12 | DTH90, DTH90-I |
| DTH90T1 | 2 | 90 - 95 | 3.6 | 6 x 14 | 1 x 12, 3 x 12 | DTH90, DTH90-I |
| DTH90T2 | 2 | 90 - 95 | 3.8 | 6 x 14 | 4 x 12 | DTH90, DTH90-I |
| DTH90T3J | 3 | 90 - 95 | 3.6 | 6 x 14 | 4 x 12 | DTH90, DTH90-I |
Technical Manual of DTH Hammer
| Low Pressure DTH Hammer | Model | Drilling Diameter (mm) | Hammer Length (mm) | External Diameter (mm) | Working Pressure (Mpa) | Air Consumption (m3/min) | Torque (N.m) | Impact Frequency (n/min) |
| 1 | DTH65B | ø68 - 70 | 745 | ø61.2 | 0.5 - 0.7 | 2.5 | 51 | ≥810 |
| 2 | DTH70 | ø72 - 74 | 803 | ø67.2 | 0.5 - 0.7 | 3 | 70 | ≥810 |
| 3 | DTH76 | ø74 - 76 | 766 | ø67.2 | 0.5 - 0.7 | 3 | 75 | ≥810 |
| 4 | DTH80 | ø80 - 82 | 796 | ø72 | 0.5 - 0.7 | 5 | 81 | ≥800 |
| 5 | DTH80-II | ø75 - 80 | 756 | ø67 | 0.5 - 0.7 | 3 | 75 | ≥810 |
| High Pressure DTH Hammer | Model | Drilling Diameter (mm) | Hammer Length (mm) | External Diameter (mm) | Working Pressure (Mpa) | Air Consumption (m3/min) | Torque (N.m) | Impact Frequency (n/min) |
| 1 | DTH330 | ø82 - 85 | 867 | ø71 | 0.8 - 2.1 | 3 - 12 | 150 | ≥800 |
| 2 | DTH335 | ø90 - 93 | 908 | ø81 | 0.8 - 2.1 | 4.3 - 14.2 | 205 | 950 - 1500 |
| 3 | DTH340 | ø105 - 130 | 1052 | ø92 | 0.8 - 2.1 | 3.5 - 18 | 304 | ≥800 |
| 4 | DTH345 | ø105 - 130 | 1034 | ø98 | 0.8 - 2.1 | 3.5 - 15 | 335 | ≥800 |
| 5 | DTH345K | ø110 - 130 | 994 | ø98 | 0.8 - 2.1 | 3.5 - 15 | 400 | ≥820 |
| 6 | DTH350 | ø130 - 152 | 1387 | ø114 | 0.8 - 2.1 | 5.7 - 18 | 590 | 810 - 1470 |
Company Profile
KSQ Technologies (Beijing) Co. Ltd. is a company that shall cater to the needs of the construction and mining industries, with consideration on providing solutions to the following unique problems:
- Hazardous environment
- Acts, regulations, and other government guidelines that has to be followed
- Significant differences in the way people work, mostly due to physical constraints
- Avoiding downtime on major equipment which can cost tens of thousands of dollars per hour. The best solution with the most reasonable cost is a significant driver.
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