Concave Face Quality Carbide DTH Bit 115mm DHD340A Use For Medium Hard Rock Formation
Product description
Down The Hole Bit, usually called DTH bit, is used with DTH hammers for drilling holes through a wide range of rocks types.In conjunction with DTH hammers, DTH bits are designed with a splined drive for rotating the bit in the ground.Drill bits are available in different sizes and different styles so they can drill a wide range of hole sizes.
Our variety of DTH bits are manufactured using high quality materials to provide you with a fine balance between penetration capability and bit life.
We offer a comprehensive range of standard and made to order drill bits on an extensive selection of shanks with a wide variety of head designs to suit every project.
DHD340A 115mm 4 1/2'' DTH Drill Bit overview
| Bit Diameter | 115mm 4 1/2'' |
| No.* Button Dia. mm | Gauge Buttons 7*14mm |
| Front Buttons 6*14mm |
| Weight (kg) | 8.1 |
DHD340A series DTH bit overview
| Diameter | Button Configure Dia*qty. | Bit design | Weight (kg) |
| Metric | Inch | Guage button | Front button |
| 115mm | 4 1/2'' | 14mm*7 | 14mm*2+14mm*4 | Convex face | 8.1 |
| 115mm | 4 1/2'' | 16mm*7 | 14mm*2+14mm*4 | Convex face | 8.1 |
| 115mm | 4 1/2'' | 14mm*8 | 14mm*2+14mm*4 | Convex face | 8.1 |
| 125mm | 4 15/16'' | 14mm*8 | 13mm*3+14mm*4 | Convex face | 8.7 |
| 127mm | 5'' | 14mm*8 | 13mm*7 | Flat face | 8.8 |
| 130mm | 5 1/8'' | 14mm*8 | 14mm*7 | Flat face | 9 |
Product Advantages
1. 1.The surface of the parts is treated with anti-fatigue strengthening treatment, which has a longer working life
2.Optimize the impact contact surface, air chamber and impact frequency to achieve faster perforation efficiency
3.The patented optimized matching design of drill bit and impactor maximizes the transmission efficiency of impact energy
Face shape Features
Concave Face
1. Capable of drilling straighter holes in medium to hard rock which is broken or less consolidated
2. Offers high penetration rate in the above stated rock conditions
3. Has excellent air flushing characteristics
4. Predominant face style for majority of drilling conditions
Flat Face
1. Have a superior performance in hard, abrasive and broken rock conditions
2. They however have a slower penetration rate in comparison to a concave face bit
Convex Face
1. This face has been designed to offer high penetration rate in soft rock such as shale, limestone etc
2. They are recognized for having excellent capability for drilling into moderately consolidated rock conditions
Structure picture
Product application
At present, DTH drilling tool is widely used in underground mining, quarries, hydraulic and Hydro-Power Engineering, water well drilling, Mineral exploration, anchoring hole drilling, geothermal engineering, Subway excavation, another civil engineering.
DTH is one of the most efficient ways of drilling rock, using a rapid hammer action to break the rock into sizeable chips which are then evacuated from the bore hole by the air exhausted from the DTH Hammer. The technique provides fast drilling of accurately aligned, straight and clean holes in most ground conditions.
Company informaiton
1. Our factory has been specialized in manufacturing drilling tools and spare parts for over 10 years.
2. We have advanced technology and equipment.
3. Our technician has more than 13 year's professional working experience.
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Concave Face 115mm Tungsten Carbide Drill Bits For Medium Hard Rock Formation Images
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