Product name: 165mm DTH Hole Opener Drill Bit With DHD3.5 Shank For Rock Formation Drilling
Product category: DTH drill bit
Matched connection: DHD3.5 Shank
Reamer Dia: 165mm
Carbide: spherical, ballistic,semiballistic
KINGDRILLING DTH thread button bit description:
DTH hammer bit manufacturer KINGDRILLING DTH hole opener bits are manufactured from the highest quality aircraft alloy steel. Which are used to enlarge the size of a pilot hole most commonly for Blast hole drilling, Quarrying, DTH Drilling, Water Well Drilling, Oil Drilling, Construction, Foundation Drilling.
KINGDRILLLING offers a wide size of DTH hole opener bits, Guide diameter scope from 95mm to 311mm, Reamed diameter scope from 130mm to 444.5mm, DTH hammer size from 3.5”, 5”, 6”, 8”, 12” with all industry DTH hammer shanks for a match.
One key feature of our DTH hole opener bit is its stable drilling speed. Built with advanced technology, this tool maintains a consistent speed throughout the drilling process, enhancing precision and reducing the risk of overheating or burnout. Say goodbye to frustrating fluctuations and hello to smooth, uninterrupted drilling. Not only does the DTH hole opener bit excel in speed and stability, but it also delivers outstanding performance overall. Its cutting-edge design and precision engineering result in clean, accurate holes, allowing you to achieve professional results every time.
KINGDRILLING DTH reamer bit technical parameters:
| Model | Guide Dia.A (mm) | Reamed Dia B (mm) | Qty.× Button Dia (mm) | Shank | Weight
(kg) |
| Gauge | Front |
| MDO95D3.5 | 95 | 130 | 6×14 2×14 | 4×11 3×11 | DHD3.5 | 8.5 |
| MDO80D3.5 | 80 | 165 | 8×14 | 8×13 6×11 | 15.1 |
| MDO100D3.5 | 100 | 165 | 8×14 | 4×13 4×12 3×12 | 14.5 |
| MDO110D3.5 | 110 | 165 | 8×14 | 4×13 | 15.2 |
| MDO100D4 | 100 | 165 | 8×14 | 4×13 4×12 3×12 | DHD340 | 14.5 |
| MDO115D4 | 115 | 171.5 | 9×16 | 6×14 | 16.1 |
| MDO75D5 | 75 | 152 | 8×18 | 6×14 2×14 2×14 | DHD350R | 35.2 |
| MDO165D6 | 165 | 191 | 10×16 | 3×14 4×14 | DHD360 | 74.5 |
| MDOD108D6 | 108 | 220 | 10×18 | 12×18 2×14 2×14 | 79.3 |
| MDO165D6S | 165 | 254 | 12×18 | 12×16 4×14 5×14 | 65.3 |
| MDO140D8 | 140 | 200 | 10×18 | 8×12 2×14 4×14 | DHD380 | 10.6 |
| MDO188D8 | 188 | 254 | 22×18 | 2×18 | 147.4 |
| MDO152D8 | 152 | 305 | 14×18 | 10×18 16×16 | 107.8 |
| MDO210D8 | 210 | 381 | 16×18 | 28×18 | 12.5 |
| MDO216D12 | 216 | 312 | 18×18 | 15×18 6×16 6×14 | DHD112 | 133.6 |
| MDO254D12 | 254 | 375 | 18×18 | 12×18 15×18 | 136.2 |
| MDO311D12 | 311 | 444.5 | 18×19 | 15×19 21×19 | 328.5 |
| MDO350CIR170 | 185 | 350 | 18×18 | 12×18 15×18 | CIR170 | 130 |
Order Guide: Diameter A+ Diameter B +Hammer type
Kingdrilling rock drill tools application:
1. Quarrying drilling
2. Mining exploration drilling
3. Piling and foundation drilling
4. Water well drilling
5. Geothermal drilling
6. Horizontal directional drilling
7. Rock drilling
FAQ:
1. What is a button bit used for?
Button Bits for Hard Rock Drilling
Oilfield, waterwell, HDD, and geothermal drillers extensively use button bits to drill hard rock.
2. How do you drill through boulders?
Apply moderate pressure to the bit and drill for one minute. Do not force the drill into the boulder; Let the drill do its job. Remove the drill from the hole and cool it in a pitcher. Spray the boulder lightly with water to remove dust and cool the rock.
3. What are rock drill bits made of?
Made of high quality alloy steel and high quality tungsten carbide. After heat treatment and shot peening, a durable and reliable balance of strength and toughness can be achieved. Large drill forgings are individually ultrasonic tested and screened for inclusions and defects. Drill bits designed for any application.
4. How do I choose a hammer drill bit?
Before selecting a hammer for rotary drilling, determine the diameter of the holes you need to drill. The diameter of the holes will dictate the type of hammer and the bit holding system you select. Every tool has its own optimal drilling range.
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