Tool High Air Pressure Tungsten Carbide DTH Hammer Button Drill
Bits
1.Material:Tungsten carbide alloy
2.Various hardness available:The most cost-effective teeth can be
recommended according to various hardness and formations as per
customer needs ；
3.Many choices of teeth shape:Wear-resistant weld, bar, point, dot,
thread, smooth and other appearances; diversified appearances to
meet different customer needs;
4.Inventory:Large inventory and spot supply;
5.Production workshop:Videos and pictures of the manufacturing
process provide visible details and quality;
6.Working Performance:Comparison of working photos of domestic,
international and Unique teeth under same construction, Unique teeth have better performance after use;
7.Package:Plastic boxes, unified wooden box with reinforced with
sealing strips etc;
High Air Pressure Tungsten Carbide DTH Hammer Button Drill Bits use
high grade alloy steel and tungesten carbide and adopt
advancedbrazing technology to produce high quality, high wear
resistance, long life cutters. we also can produce all kind of
rotary bits, trenching bit and Bullet bit according to customers'
requirements.
Usage: Coal cutting, Mining, Oil drilling, Well dig, Road Milling
etc.
Applicable layers: dense sand, gravel and medium hard rocks, etc..
Dth Hammer Types:
Low air pressure: 0.5-0.7Mpa
Middle air pressure: 0.7-1.8Mpa
High air pressure: 1.8-2.5Mpa
Product Advantages
| Material | Tungsten carbide alloy |
| Various hardness available | The most cost-effective teeth can be recommended according to
various hardness and formations as per customer needs ； |
| Many choices of teeth shape | Wear-resistant weld, bar, point, dot, thread, smooth and other
appearances; diversified appearances to meet different customer
needs; |
| Inventory | Large inventory and spot supply; |
| Production workshop | Videos and pictures of the manufacturing process provide visible
details and quality; |
| Working Performance | Comparison of working photos of domestic, international and Unicorn
teeth under same construction, Unicorn teeth have better
performance after use; |
| Package | Plastic boxes, unified wooden box with reinforced with sealing
strips etc; |
| DTH hammer type | MHD35 | MHD45 | MSD4 | MQL4 |
| Length(less bit) mm | 930mm | 1030 | 1084 | 1097 |
| Weight(less bit) kg | 25kg | 39 | 40.5 | 41 |
| External diameter mm | Φ82mm | Φ99 | Φ99 | Φ99 |
| Bit shank | DHD3.5 | COP44 DHD340 | SD4 | QL40 |
| Hole range(mm) | Φ90-110 | Φ110-135 | Φ110-135 | Φ110-135 |
| Connection thread | API 2 3/8” Reg. | API 2 3/8"Reg | API 2 3/8"Reg | API 2 3/8"Reg |
| Working pressure | 1.0-1.5Mpa | 1.0-2.5Mpa | 1.0-2.5Mpa | 1.0-2.5Mpa |
| Impact rate at 1.5-1.7Mpa | 28Hz | 27Hz | 27Hz | 27Hz |
| Recommended Rotation speed | 25-40r/min | 25-40r/min | 25-40r/min | 25-40r/min |
| Air consumption | 1.0Mpa | 4.5m3/min | 6.0m3/min | 6.0m3/min | 6.0m3/min |
| 1.8Mpa | 9.0m3/min | 10.0m3/min | 10.0m3/min | 10.0m3/min |
| 2.4Mpa | | 15.0m3/min | 15.0m3/min | 15.0m3/min |
