Rock Drill Machine

Application YT28A is a pnuematic drill.It is widely used in metallurgy, coal, railway, transportation, water conservancy construction and national defense stone works, etc. Specification Name Wholesale hand held portable pneumatic air leg YT28 rock drill machine Cylinder Diameter 80mm Piston Stroke 60mm Impact Energy ≥70J (0.63Mpa) Drilling impact Frequency ≥37Hz (0.63Mpa) Drilling Speed (Grade 14 rock) ≥470mm/min (0.63Mpa) Air consumption ≤81.6L/s (0.63Mpa) Inner Diameter of Air Pipe 25mm Inner Diameter of Water Pipe 13(10)mm Working Air Pressure 0.63Mpa Working Water Pressure 0.2MPa Suitable Drilling Diameter 34-42mm Suitable Maximum Drilling Depth 5m Air Consumption Per Meter 10.2*103L/m Shank Dimension H22*108mm Working Temperature -30℃~+50℃ Total Weight 26Kg Overall Dimension L670*W240*H210mm Features of Wholesale hand held portable pneumatic air leg YT28 rock drill machine 1.Compared with similar products, YT28A rock drill has the characteristics of high impact power, long service life, easy maintenance, less gas consumption. 2.After long-term mining practice, YT28A rock drill has many advantages. Such as drill faster, light weight and low noice. 3.YT28A rock drill is equipped with transparent shell type FY200B oil tank to observe oil level, adjust oil quantity and ensure good lubrication. Packing and Delivery  Package: Normally packed in carton at first, then packed with a wooden box. Delivery time: Normally within 2 weeks. FAQ 1. Are you factory? Yes 2. How about your products quality? There is QC team to control every order. The-third party testing is acceptable. 3. How about MOQ? Depend on your request.Can be negociated. 4. How about production time? Normally the machine are in stock.If no stock, it will take about 10 days. If busy, take about 15-25 days 5. How about delivery method? Shipping as usual.If you have other request, can be negociated. 6.How about your sale service? 80 professional after-sales staff will serve you. If needed, overseas service center is available. 7.How can i place an order? First method :Place order directly on alibaba if you are familiar with it Second method : Please tell us specifications ,let's make a contract 8.How can i visit your factory? Please inform to us when you have a visiting plan,we will provide all traffic details in China