Diameter 140mm QL50 Convex Face DTH Drill Bit For Underground Long Hole Rock Drilling
DTH Button Bit Description:
Name: DTH Button Bit
Diameter: 140mm
Face design: Convex Face
Carbide Shape: Ballistic and Spherical
Buttons number and diameter: gauge 9x16mm spherical, front 10x14mm ballistic,
Flushing holes: 3 front flushing holes
With foot valve
for QL50 hammer
P/N 4148301354
DTH Button Bit Photo:
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.
Basic Information
| Product | DTH Button Bits |
| Low Air Pressure | CIR80, CIR90 |
| 3’’ | DHD3.5, M30, |
| 4’’ | DHD340, SD4,QL40, M40 |
| 5’’ | DHD350, SD5,QL50, M50 |
| 6’’ | DHD360, SD6,QL60, M60 |
| 8’’ | DHD380, SD8,QL80, M80 |
| Color | Green, Gold, Black or based on customer requirements. |
| MOQ: | No MOQ required for testing and trial order |
Applications
• Underground mining
• Down the hole rock drilling
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
QL50 High Air Pressure DTH Bit Specification:
| QL50 Spherical button/Concave face |
| 130 | 5 1/8 | 4×14,3×14 | 8×16 | 2 | 14 | 4148301331 |
| 133 | 5 1/4 | 4×14,3×14 | 8×16 | 2 | 14 | 4148301332 |
| 140 | 5 1/2 | 4×14,4×14 | 8×16 | 2 | 15 | 4148301333 |
| 146 | 5 3/4 | 4×14,4×14 | 8×16 | 2 | 15.8 | 4148301334 |
| 152 | 6 | 4×16,4×16 | 8×18 | 2 | 18 | 4148301335 |
| QL50 Ballistic button/Convex face |
| 130 | 4 3/8 | 3×14,4×14 | 9×16 | 3 | 14 | 4148301336 |
| 133 | 4 1/2 | 3×14,4×14 | 9×16 | 3 | 14 | 4148301337 |
| 140 | 4 3/4 | 3×16,4×16 | 9×16 | 3 | 15 | 4148301338 |
| 146 | 5 | 3×16,4×16 | 9×16 | 3 | 15.8 | 4148301339 |
| 152 | 5 1/8 | 3×16,5×16 | 9×18 | 3 | 18 | 4148301340 |
| QL50 Spherical button/Flat face |
| 130 | 4 3/8 | 7×14 | 8×16 | 2 | 14 | 4148301341 |
| 133 | 4 1/2 | 7×14 | 8×16 | 2 | 14 | 4148301342 |
| 140 | 4 3/4 | 7×14 | 7×18 | 2 | 15 | 4148301343 |
| 140 | 5 | 8×14 | 9×16 | 3 | 15 | 4148301344 |
| 146 | 5 1/8 | 8×14 | 9×16 | 3 | 15.8 | 4148301345 |
| 152 | 5 1/4 | 8×16 | 9×18 | 3 | 18 | 4148301346 |
We can design and manufacture the personalized products to meet your special application, such as changing the tungsten carbide insert profile (spherical, ballistic, etc.), face profile (flat face, concave, convex, etc.), and flushing holes.
Keywords
DTH BIT, DTH Button Bit, Down The Hole Button Bit, Rock Bit, Rock Drill Bit,
Low Air Pressure DTH Button Bit, High Air Pressure DTH Button Bit
Product Tags:
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Diameter 140mm QL50 Convex Face DTH Drill Bits For Underground Long Hole Rock Drilling Images
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