7 Buttons Tapered Button Bit
7 buttons tapered button bit Product Specifications: Name7 buttons tapered button bitMaterialSteel & Tungsten CarbideButton Number7 buttonsTaper Degree7°,Website:°,12°Diameter28~60mmSocket Diameter22mm,25mmLength50~72mmBrandPulanka or OEMApplicationMining,Quarring,Ground Enginnering,Tunnel ProjectAdvantage1.High Quality & Competitive Price2.China Top 3 Manufacturer3.Good After ServiceCertificationISO9001Package1pc/Opp Bag,50pcs/Plastic BoxDeliveryUsually Within 30 Days(10 Days with Stock)Payment TermTT/Western Union/LCMOQNo Request With Trial OrderFeatures: 1.Fast footage speed2.Usage:wet drilling3.Specials:For low impact rock drills and softer rock formations, and a narrow taper angle of seven degree is used of, A 7degree angle can also be used if button bit spinning is a problem when using 11 and 12 degree equipment.4.professional and cost effective.OEM service： we can design and manufature according to your requirment of diamater,number of air holes,carbide button shape and face shape.Detail： Packing： Customer Notice： Question one:How to use drill bit more correct?Answer:1.Choosing the right drill bit is the premise to obtain maximum drilling speed.2.When open the hole,it should be stable and must lower rock drill working parameters,prevent single button under over load then cause the button broken or lost.3.According to the drilling condition,timely adjust the rock drill paramaters.4.After a period of time working,the button and the body of drill bit should be examined.5.When drilling,for improving drill bit drilling speed,you should ensure that there is adequate hydraulic or air pressure for preventing drill bit from excessive wearing and jamming which caused by bad powder exhaust.Question two:What if i buy early abnormal scrapped button bit?Answer:please timely inform our company by written notice.Notify the main contents include:1.the model number of rock drill,the actual working paramaters(impact pressure,impact powder,impact frequency,driving power and rotation speed)2.Drill rig model number3.drill rod tail,drill rod and connection sleeve manufacture,specification and usage condition.4.The rock type and hardness,the construction site(open air,underground,tunneling,production,the anchor hole or others),drilling type(down,horizontal,fan form or others),drilling depth.5.The failure condition of drill bit:A.failure type(button broken,button lost,wear off),lifespan,quantity;B.the button wearing condition(residual height);C.planned service life;D.normal average service life;E.other manufacturers product average service life.6.We will check whether it is factory duty or end users unproper operation.If that is factory duty,we will fully refund abnormal scrapped buttons bits cost.Different Types for Different Countries： The information you may like to know before order: 1.Method of payment:T/T(Telegraphic Transfer)or Western Union or L/C at sight. 2.Handing time for an order:Based on order quantity,normally it takes 25 days for production.only 2 or 3 days if we have stock on your request size3.Shipping way:Sample order,we suggest courier express like DHL/UPS/TNT by air.Bulk order we suggest by sea or by air.4.Quality control:We have our own experienced QC,there will be strict inspection and testing for every order before shipping out.Fair and Visit： About us: our factory has been specialized in manufacturing drilling tools and spare since 2000.we have advanced technology and equipment.our technician has more that 10 years professtional working experience.rock drilling tools are exported throughout the word.main market:Norway.Turkey. Canada.Australia. Brazil.Iron. India.UAEWe have professional technicians,advanced machine,responsible sales team
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