Wuhan Kingdrilling Diamond Co.,Ltd
Wuhan Kingdrilling Diamond Co.,Ltd
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Product name: 130mm DTH Hole Opener Drill Bit With DHD3.5 Shank For Coal Mining Tools
Product category: Hole Opener Drill Bit
Matched connection: DHD3.5
Reamer Dia: 130mm
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.
DTH hole opener bits – a breakthrough in drilling technology designed to optimize structural strength and enhance ease of operation. With superior performance and high drilling speed, this drill bit guarantees stable and reliable performance in any drilling application.
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 | |
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 drill, and drill for one minute. Don't force the bit into the boulder; let the drill do the work. Remove the bit from the hole, and cool it in the pitcher of water. Lightly spray the boulder with water to remove dust and to cool the rock.
3. What are rock drill bits made of?
Constructed using premium alloy steel and tungsten carbide. To produce a long-lasting and dependable balance of strength and toughness, materials are heat treated and shot peened. Each large bit forging is examined under ultrasonography to check for inclusions and defects. components created specifically for each 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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