Petrol rock drill YN27C gasoline rock drill Specifications rock drill 
1.Weight:27 kg 
2.Tank capacity :1.14 L 
3.Drilling speed:>250mm/min 
4.Max drilling depth:6 m internal combustion yn27j hammer drill

YN27J manual rock drill is a small type of rock drill composed the power machine, working machine and air compress in one. It is powered by the small gasoline engine and used for drilling on the hard rock or rock with medium hardness, the hardness of rock is f8 to f18. Because it is self-powered, it is especially convenient to be used for projects without other power supply, or projects that are inconvenient for conveying the large-volume unit, or for mobile construction projects. 

 

internal combustion yn27c hammer drill  feature:  

 

 

1. Easy to operate, just turn the handle to make it work.  

 

2. Time and labor saving, Drilling fast and high efficiency.  

 

3. First-class level Drilling Tools, suitable for site without power or pressure equipment, it has wide adaptability for high mountain and plain, extreme temperature (40 to -40). 

 

4.Used to drill vertical downward hole (max depth 6m) and <45° upward hole.  

 

5. Light Drilling Tools, only 27kgs, easy to carry. 

 

6. Rubber hand handle, shock absorption, which has certain protective effect for operator. 

 

  YN27C manual rock drill technical parameters

 

Weight	27kg
Dimension	746*315*229mm
Function	Drilling
Type of carburetor	Hand needle valve, no floating type
Type of engine	Single cylinder,air cooled two strokes
Diameter of engine piston	Φ58mm
Stroke of engine piston	70mm
Rotating speed of engine	≥2450R/min
Rotating speed of drilling rod	≥250R/min
Oil consumption	≤0.12L/min
Max. drilling depth	6m
Tank capacity	≥1.14 L
Shank size	Hex22x108mm
Ignition system	Controllable silicon, Contactless system
Mixture ratio of gasoline and lubrication oil	12:01