Yn27c Mine Tunnel Hand Held Internal Combustion Portable Gasoline Petrol Jack Hammer Rock Drill for Mining and Breaking

Product DescriptionYn27c Hand Held Portable Gasoline Rock Drill Petrol Jack Hammer is a Internal combustion rock drill (YN27C apply to drill and break)Advantages of Yn27c Hand Held Portable Gasoline Rock Drill Petrol Jack Hammer Needless to replace the internals of the engine head,just handle the handle to operate it. zmwm02Easy to operate.More time-saving and effortless.Drilling faster and more efficient. Have reached the Tip-top level of the same field now,and allow to be replaced with the same kind of the domestic products.  Applications of Yn27c Hand Held Portable Gasoline Rock Drill Petrol Jack HammerAvailable for drilling,splitting breaking, ramming, shovelling. And widely used in mining, road-contruction, quarrying and national defense construction,etc.     Product ParametersParameter of Yn27c Mine Tunnel Hand Held Portable Internal Combustion Gasoline Rock Drill Petrol Jack Hammer Air Leg Rock DrillWeight of main machine27kgOverall dimensions(L*W*H)746*315*229mmCylinder diameter*stroke of pistonΦ58*70mmRotation speed of engine≥2450rpmDisplacement of engine piston185cm³Type of carburetorhand needle valve, float-less typeIgnition systemcontrollable silicon, contact-less systemDrilling speed (mean value of five holes)≥250mm/minDrilling hole diameterΦ28-42mmMax drilling depth6mFuel consumption≤0.12L/mTank capacity≥1.5literDrill rod and breaker shankHex22*108mmRotating speed of drill rod≥200rounds/minClearance of spark plug0.5-0.7mm  Detailed PhotosPhotos Of Yn27c Mine Tunnel Hand Held Portable Internal Combustion Gasoline Rock Drill Petrol Jack Hammer Air Leg Rock DrillCertifications  Packaging & ShippingCompany ProfileOur Advantages     /* March 10, 2023 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1