4 Inch High Air Pressure DTH Bit With Foot Valve DHD340 130mm
Description
Diameter: 105mm to 152mm.
Applicaiton field: blasting hole, geotheromal hole.
Face design: flat, convex, concave
Inserts design: spherical, ballistic, parabolic
Fetures: 1.Reliable quality, long service life, rare abnormal breakage during service life.
2.Good flushing effect to ensure high drilling rate
3.Strict quality warranty and compensation rules
DTH rock drill bits have four kinds of button type
Spherical button : good wearing resistance, suited to hard ground, abrasive to very abrasive.
Parabolic button: fast penetration,suited to medium to hard rock,suitable for the mildly abrasive ground.
Conical button : fast penetration, suited for smaller diameter bits, suited for all non-abrasive ground types.
Ballistic button : fast penetration,suited to soft rock, suitable for non abrasive ground.
Color: Green,Blue or Based on Customer requirements
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
DHD340 High Air Pressure DTH Bit Specification:
| Diameter | Buttons and Size (mm) | Flushing hole | Weight | Part Number |
| mm | inch | Front | Gauge | kg |
| DHD340 Ballistic button/Concave face |
| 115 | 4 1/2 | 4×14,2×14 | 8×14 | 2 | 10 | 4148301235 |
| 121 | 4 3/4 | 4×14,2×14 | 8×14 | 2 | 11 | 4148301236 |
| 127 | 5 | 4×14,3×14 | 8×14 | 2 | 12 | 4148301237 |
| 130 | 5 1/8 | 4×14,3×14 | 8×16 | 2 | 14 | 4148301238 |
| DHD340 Spherical button/Concave face |
| 115 | 4 1/2 | 4×14,2×14 | 8×14 | 2 | 10 | 4148301239 |
| 121 | 4 3/4 | 4×14,2×14 | 8×14 | 2 | 11 | 4148301240 |
| 127 | 5 | 4×14,3×14 | 8×14 | 2 | 12 | 4148301241 |
| 130 | 5 1/8 | 4×14,3×14 | 8×16 | 2 | 14 | 4148301242 |
| 133 | 5 1/4 | 4×14,3×14 | 8×16 | 2 | 15 | 4148301243 |
| DHD340 Ballistic button/Convex face |
| 110 | 4 3/8 | 4×14,2×14 | 8×14 | 2 | 9.3 | 4148301244 |
| 115 | 4 1/2 | 4×14,2×14 | 8×14 | 2 | 10 | 4148301245 |
| 121 | 4 3/4 | 4×14,2×14 | 8×14 | 2 | 11 | 4148301246 |
| 127 | 5 | 4×14,3×14 | 8×14 | 2 | 12 | 4148301247 |
| 130 | 5 1/8 | 4×14,3×14 | 8×16 | 2 | 14 | 4148301248 |
| 133 | 5 1/4 | 4×14,3×14 | 8×16 | 2 | 15 | 4148301249 |
| DHD340 Spherical button/Flat face |
| 110 | 4 3/8 | 6×14 | 8×14 | 2 | 9.3 | 4148301250 |
| 115 | 4 1/2 | 6×14 | 8×14 | 2 | 10 | 4148301251 |
| 121 | 4 3/4 | 6×14 | 8×14 | 2 | 11 | 4148301252 |
| 127 | 5 | 7×14 | 8×14 | 2 | 12 | 4148301253 |
| 130 | 5 1/8 | 7×14 | 8×16 | 2 | 14 | 4148301254 |
| 133 | 5 1/4 | 7×14 | 8×16 | 2 | 15 | 4148301255 |
Product Tags:
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4 Inch High Air Pressure DTH Drill Bits With Foot Valve DHD340 130mm Images
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