High Efficient Rock Drill Product Description Parameters Unit Parameter value Weight Kg 26 Rated pressure Mpa 0.5 Impact frequency Hz 35 Gas consumption L/s 81 Drilling speed mm/min 350 Noise dB (A) 126 Operating water pressure Mpa 0.3 Diameter of shank mm H22*108 Diameter of borehole mm 34~42 Specification: 1.Simple operation 2.Simple maintenance 3.High reliability 4.Energy saving Application: 1.Horizontal drilling 2.Slant drilling 3.Drilling jumbo Features: 1.High durability 2.High universality 3.Large torque 4.High efficient Our Service Pre-sales Service: The wide product range enables us to provide our customers with individual machines or complete processing plants.Based on our customers'request and budget, our experts make efficient and reliable solutions, and we produce strictly follow customers' order. What's more, every customer has the chance to visit the working machine in the site before placing the order. After-sales Service: Experienced technicians guidance is available on the phone, and on the internet. One or more engineers will be dispatched to the quarry site to help install the customers'plants.Necessary training about machine daily maintenance to local workers is provided also. Methods of Payment: T/T (Telegraphic Transfer) or Western Union or L/C at sight Handling time for an order: Within 10 days supplied from stock Shipping method: Sample order: we suggest Courier express like DHL/UPS/TNT/FedEx or by air Bulk order: we suggest by air or by sea. Quality Control: We have our own experienced QC. There will be strict inspection and testing for every order before shipping out. 5. After Services: a. Our sales team will response for your question within 24 hours (Holidays Excluded) b. Technical Support will be available in any time c. Free replacement will provide once the failure confirmed caused by our product quality