8 Inch Steel Atlas Copco Hammer DTH Drill Bits , Mission 80 Hard Rock Drill Bits
Brand Name:SOLLROC
Certification:SGS
Model Number:Mission80 dth bits
Minimum Order Quantity:1 set
Delivery Time:3-4 weeks
Place of Origin:China
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Location:
Changsha Hunan China
Address:
No55. Jiucaiyuan road, Furong District, Changsha, Hunan,China
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Product Details
8" Atlas Copco Down The Hole Mission80 M80 DTH Button Drill Bits For Rock Drilling
Product specifications: Mission80 dth bits
| 8" hammer DTH bits shank | Bit Dia. | No. Air Holes | Gauge Buttons | Front Buttons | Weight (Kg) | Part No. | |
| mm | inch | ||||||
| DHD380/COP84 | 195 | 7 11/16 | 3 | 9×φ18 | 9×φ16 | 32.0 | DHD380-195 |
| 203 | 8" | 2 | 9×φ18 | 10×φ18 | 41.0 | DHD380-203 | |
| 216 | 8 1/2" | 2 | 10×φ18 | 12×φ16 | 49.0 | DHD380-216 | |
| 254 | 10" | 3 | 11×φ18 | 17×φ16 | 71.0 | DHD380-254 | |
| 305 | 12" | 4 | 12×φ18 | 29×φ16 | 95.0 | DHD380-305 | |
| SD8 | 195 | 7 11/16 | 3 | 9×φ18 | 9×φ16 | 32.0 | SD8-195 |
| 203 | 8" | 3 | 9×φ18 | 9×φ18 | 41.0 | SD8-203 | |
| 216 | 8 1/2" | 2 | 10×φ18 | 12×φ16 | 49.0 | SD8-216 | |
| 254 | 10" | 3 | 11×φ18 | 17×φ16 | 71.0 | SD8-254 | |
| 305 | 12" | 4 | 12×φ18 | 29×φ16 | 95.0 | SD8-305 | |
| QL80 | 195 | 7 11/16 | 3 | 9×φ18 | 9×φ16 | 32.0 | QL80-195 |
| 203 | 8" | 3 | 9×φ18 | 9×φ18 | 41.0 | QL80-203 | |
| 216 | 8 1/2" | 2 | 10×φ18 | 12×φ16 | 49.0 | QL80-216 | |
| 254 | 10" | 3 | 11×φ18 | 17×φ16 | 71.0 | QL80-254 | |
| 305 | 12" | 4 | 12×φ18 | 29×φ16 | 95.0 | QL80-305 | |
| Mission80 | 195 | 7 11/16 | 3 | 9×φ18 | 9×φ16 | 35.0 | M80-195 |
| 203 | 8" | 3 | 9×φ18 | 9×φ18 | 40.0 | M80-203 | |
| 216 | 8 1/2" | 2 | 10×φ18 | 12×φ16 | 54.0 | M80-216 | |
| 254 | 10" | 3 | 11×φ18 | 17×φ16 | 57.0 | M80-254 | |
| 305 | 12" | 4 | 12×φ18 | 29×φ16 | 77.0 | M80-305 | |
Product photos
Product Application
We take pride in being the only manufacturers in China that has a
diverse line of DTH bits that range from 3"-47"(76mm~1200mm)in
diameter with most the leading hammer shanks.
Made from high quality alloy steel and advanced heat-treatment,
Sollroc bits are ensured extreme protection against wear and
fatigue.They're also available in four different bit-head
designs-Convex,Flat,Concave and Drop center face,and four different
inserts-Spherical,Ballistic,Semi-Ballistic,Two-Step to tackle any
challenge and rock formations
Bit Face Selection of DTH Bit
Face Shape | Applictions | Typical formations |
Flat | Hard and abrasive formations,all around. | Granite,hard limestone |
Concave | Medium hard to hard formations.Less abrasive,fractured
formations.Excellent control over hole deviation. | Granite,hard limestone,basalt |
Convex | Soft to medium hard rock.Non abrasive formations.High penetration
rate. | Limestone,hard limestone,shale |
Drop Center | Soft to medium hard and fractured formations. | Limestone,shale |
Sollroc is recognized as one of the professional manufacturer and
supplier of high performance rock drilling tools like: DTH hammers
and bits, RC hammers and bits, DTH drill rods and top hammer
drilling tools with more 10 years of experience. Our tools are
widely used in different drilling applications including mining,
quarrying, water well drilling, geotechnical industries and etc.
8 Inch Steel Atlas Copco Hammer DTH Drill Bits , Mission 80 Hard Rock Drill Bits
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