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6" DTH Drill Bit M60-165mm Button Bit For Earthmoving Engineering
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.
Mission shank DTH Button Bit
It is a kind of high air pressure DTH hammer without foot valve. It
is also one of the most advancedDTH hammers in the world.
It has the following advantages:
1. Out of the trouble of foot valve fracture and expansion and
contraction.
2. Lower energy consumption and higher impact frequency. The
drilling speed is 15-30%higher than the one with foot valve.
3. Simple structure, reliable parts, long life span, easy and cheap
maintenance.
4. Lower air and oil consumption. The oil consumption is about 10%
lower than the one with foot valve.
Parameter of M60 Brill bit
| Drill bit | diameter(mm) | NO.Airholes | buttons(mm) | Weight(kg) |
| Mission60 | 152 | 2 | 8x18, 8x16 | 22.0 |
| 165 | 2 | 8x18, 10x16 | 23.0 | |
| 171 | 2 | 8x18, 10x16 | 24.0 | |
| 190 | 2 | 10x18, 12x16 | 25.0 | |
| 203 | 2 | 10x18, 14x16 | 28.0 |
Parameter of M60 hammer
| Mission60 HIGH AIR PRESSURE DTH HAMMER | |
| Length without bit | 1161mm |
| Top sub thread | API 2 7/8" REG , API 3 1/2" REG , API 2 7/8" IF |
| Outside diameter | 142 mm,144 mm,146 mm, 148 mm, |
| Weight(without bit) | 90 Kg |
| Bit diameter | 155-203mm |
| Working presure | 1.5-2.5 Mpa |
| Air consumption | 20-30 m³/min |
| Bit shank | Mission60 |
Application
• Earthmoving engineering
• Minning exploitation and oil drilling
• Water well drilling and pile foundation engineering
Our DTH Button Bits has following advantages:
1. 95% quality similarity with world top class brands,such as atlas
Copco etc.
2. Strong ability in drilling tools production.
3. Strick quality control.
Pictures
