| Product Name | Rock Drill |
| Model | YN27C |
| Power Type | Gasoline |
| Ignition Method | non-contact |
| Engine displacement | 185 cm3 |
| Engine load speed (measured when drilling five holes) | 2450 r/min |
| Rod idling speed | ≥250 r/min |
| Shank Size Rod Tail | Hex 22x108 mm |
| Impact energy | ≥25J |
| Max. borehole elevation angle | 45° |
| Max. drilling depth | 6 m |
| Fuel tank volume | 1.1 L |
| Fuel consumption (measured when drilling five holes) | ≤0.12 Lm |
| Lubrication method | gasoline + engine oil automatic lubrication |
| Mixing ratio of gasoline and lubricating oil (by volume) | 121 |
| Spark plug electrode gap | 0.5-0.6mm |
Handheld Portable Gasoline Jack Hammer Yn27 Rock Drill Advantage: 1. YN27 hand-held internal combustion rock drill is a hand-held rock drilling tool composed of a small gasoline engine, a compressor and a rock drill. 2. During operation, the compressed air generated by itself blows away the rock powder in the blast hole. 3. The weight of the host is only 27KG, and it is easy to carry. It is suitable for high mountains, areas without power supply, and no wind pressure equipment. It is especially suitable for temporary projects with high mobility. Application
1. Rock drill is suitable for rock drilling and crushing, and is widely used in national defense projects, mines, road construction, urban construction, quarrying and other earthwork projects. 2. Wide applicability, can work in mountains, plains, and ±40°C areas




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Step 1
Payment and order readiness
Minimum order: 50 Units
Payment terms, specifications, and order details are confirmed before preparation begins.
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Step 2
Preparation
7 days
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Step 3
Packaging and dispatch
Economy · Approx. shipping fee: $ 3,060.51 for 50 pieces · Estimated delivery: Oct 3–Nov 8 (27–63 days)
Final packing, freight, and delivery dates are confirmed before dispatch.
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