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Hole diameter | 26-46(mm) | shank size shank tail | H22x10 8mm; |
host weight | 27 kg; | hole depth | Max 6m; |
engine type | single cylinder air-cooled two-stroke gasoline engine | Fuel tank capacity | ≥1.14L |
carburetor type | no float type | Punching speed | ≥250(mm/min) |
engine load speed (measured when chiselling five holes) | 2450 r/min | gasoline and lubricating oil mixing ratio (according to volume) | 9:01 |
Idle speed of drill rod | 220 r/min | spark plug electrode gap | 0.5~0.7mm |
engine displacement | 185cm³ | Fuel consumption | ≤0.12L/M; |
ignition mode | thyristor contactless system | Impact energy | 220J |











1. Size: | Available in any size of 50mm-300mm.For example, 75mm, 91mm, 112mm, etc |
2. Drill bit type: | 8-tooth hollow core drill bit |
3. PDC tool size: | 1304,1308,1313 |
4. Valve body material: | C45#steel |
5. Applicable rocks: | mud rock, limestone, shale, sandstone,granite, etc. |
6. Color: | gray, gold, blue, green,or according to customer requirements |
Cutter size | 13X 8 mm | The smallest cutter suitable for the hardest rock information ,then the biggest cutter gets the fastest speed . | ||||
13X19 mm | ||||||
16X13 mm | ||||||
19X13 mm | ||||||






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