- Model NO.:DHD COP SD MISSION
- Diameter:110mm
- Transport Package:Wood Case
- Specification:HIGH QUALITY
- Trademark:PRODRILL
- Origin:China
- HS Code:82071990
- Production Capacity:5000pec,Months
Bit Face | Flat | Flat | Flat | Flat | Flat | Cancave Canvex | Cancave Canvex | Cancave Canvex | Cancave Canvex | Cancave Canvex | Cancave Canvex | Cancave Canvex |
Carbide button | Dome/hemispherical, Paraboli/semi-ballistic, Ballistic |
Gauge buttons | | | 8*12, 7*11 | 8*14 | 8*16/18 | | | | | | | |
Front buttons | | | | 7*12/13/14 | 8/10*14/15/16 | | | | | | | |
Buttons Qty | 8 | 10 to 13 | 15 | 15 to 18 | 16 to 18 | 16 to 24 | 18 to 41 | 22 to 41 | 41 to 55 | 45 to 81 | 77to 93 | 75 to 132 |
Air pressure | 0.7-1.75Mpa | 0.7-1.75Mpa | 1-1.5Mpa | 1-2.5Mpa | 1-2.5Mpa | 1-2.5Mpa | 1-2.5Mpa | 1-2.5Mpa | 1-2.5Mpa | 1-2.5Mpa | 1-2.5Mpa | 1-2.5Mpa |
Size type | Normal | Normal | Normal | Normal | Normal | Normal | Normal | Big size | Big size | Big size | Big size | Big size |
Skirt steel | 23CrNi3Mo, 20Cr2Ni4 |
Production process | Fully carburized () of special heat treament with stress relief ( ) + full CNC ()for accurate machincal processing for perfect arc of skirt body to assure same consumption of skirt body with YK05 tungsten carbide inserts, which is by cold-inserted techology , no broken and drop in time of drilling |
Advantage | | | | | | | | | | | | |
R. O.P | fast | fast | fast | fast | fast | fast | fast | fast | fast | fast | fast | fast |
Hole straightness | Perfect | Perfect | Perfect | Perfect | Perfect | Perfect | Perfect | Perfect | Perfect | Perfect | Perfect | Perfect |
Hole clean quality | Good | Good | Good | Good | Good | Good | Good | Good | Good | Good | Good | Good |
Productivity action | High | High | High | High | High | High | High | High | High | High | High | High |
Drilling life | Longer | Longer | Longer | Longer | Longer | Longer | Longer | Longer | Longer | Longer | Longer | Longer |
Interchangable | Ok | Ok | Ok | Ok | Ok | Ok | Ok | Ok | Ok | Ok | Ok | |
Air consumption | Less | Less | Less | Less | Less | Less | Less | Less | Less | Less | Less | |
Resisitance wear | High | High | High | High | High | High | High | High | High | High | High | |
Usage | Quarry | Quarry | Quarry | blasting | blasting | blasting | blasting | water wells oil gas | water wells oil gas | water wells oil gas | water wells oil gas | water wells oil gas |
Worksite test | | | | | | | | | | | | |
Rock hardness | | | | 14-16HRC | | | | | | | | |
Air pressure | | | | 20KG | | | | | | | | |
Depth meter | | | | 1.5 M | | | | | | | | |
drilling speed | | | | 4 minute | | | | | | | | |