6.5'' Series High Air Pressure Nickel-alloy Steel DTH Drill Bit For
Blasting
Product description
We are a leading manufacturer of rock drilling tools, like DTH
hammers and bits, DTH drill pipes, RC hammers and bits, tophammer
button bits, coupling, cross bits, drill rods located in Changsha,
Hunan, China.
We have rich experience in this field of DTH hammers and bits for
20 years.
Owing to high quality, professional serivce and competitive price,
we have gotten good reputation from our customers from all over the
world, such as France, Spain, Italy, South Africa, Iran, Malaysia,
Australia ad etc.
165mm DTH Drill Bit overview
For 5" hammer
DTH bits shank | Bit Dia. | No.
Air Holes | Gauge
Buttons | Front
Buttons | Weight
(Kg) | Part No. |
| mm | inch |
| DHD350R/COP54 | 133 | 5 1/4" | 2 | 7×φ16 | 6×φ14 | 15.0 | DHD350-133 |
| 140 | 5 1/2" | 2 | 7×φ18 | 7×φ14 | 16.0 | DHD350-140 |
| 146 | 5 3/4" | 2 | 8×φ18 | 7×φ14 | 17.0 | DHD350-146 |
| 152 | 6" | 2 | 8×φ18 | 8×φ14 | 17.5 | DHD350-152 |
| 165 | 6 1/2" | 2 | 8×φ18 | 8×φ16 | 18.5 | DHD350-165 |
| SD5 | 133 | 5 1/4" | 2 | 7×φ16 | 6×φ14 | 15.5 | SD5-130 |
| 140 | 5 1/2" | 2 | 7×φ18 | 7×φ14 | 16.0 | SD5-140 |
| 146 | 5 3/4" | 2 | 8×φ18 | 7×φ14 | 16.5 | SD5-146 |
| 152 | 6" | 2 | 8×φ18 | 8×φ14 | 17.0 | SD5-152 |
| 165 | 6 1/2" | 2 | 8×φ18 | 8×φ16 | 19.0 | SD5-165 |
| QL50 | 133 | 5 1/4" | 2 | 7×φ16 | 6×φ14 | 15.5 | QL50-130 |
| 140 | 5 1/2" | 2 | 7×φ18 | 7×φ14 | 16.0 | QL50-140 |
| 146 | 5 3/4" | 2 | 8×φ18 | 7×φ14 | 16.5 | QL50-146 |
| 152 | 6" | 2 | 8×φ18 | 8×φ14 | 17.0 | QL50-152 |
| 165 | 6 1/2" | 2 | 8×φ18 | 8×φ16 | 19.0 | QL50-165 |
| Mission50 | 133 | 5 1/4" | 2 | 7×φ16 | 6×φ14 | 12.5 | M50-130 |
| 140 | 5 1/2" | 2 | 7×φ18 | 7×φ14 | 13.5 | M50-140 |
| 146 | 5 3/4" | 2 | 8×φ18 | 7×φ14 | 14.0 | M50-146 |
| 152 | 6" | 2 | 8×φ18 | 8×φ14 | 14.4 | M50-152 |
| 165 | 6 1/2" | 2 | 8×φ18 | 8×φ16 | 15.0 | M50-165 |
Product Advantages:
1. High grade tungsten carbide inserts
2.Bit bodies manufactured from high grade steel and processed using
state-of-the-art CNC machinery and heat treatment
3.Low problem rate and easy to maintenance due to simple , reliable
and easy assemble and disassemble inner structure of DTH drill
bits.
4.Easy to depart the dth bit from hammer due to multi-head thread
connecting chuck and cylinder of hammer.
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
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
At sollroc, customer satisfaction is our top priority. Our sales
team takes a proactive approach in meeting customers’ needs. We
take the time to get to know you and learn about your operations so
we can better assist you. We strive to meet customers’ needs by
supplying the tools and equipment you need when you need them,
providing product support, and following through with excellent
customer service every step of the way.
