Maxdrill High Quality Rock Drilling Tools R28 Half-Bridge Coupling

Maxdrill High Quality Rock Drilling Tools R28 Half-Bridge CouplingProduct DescriptionUsed in extension rod connection, its function is to transmit impact energy from the rock-drill piston, as well as rotation torque, into the drill string with no losses. It must withstand and transmit up to 6300 blows per minute from the piston continually, with great endurance and dependability.(1)Size: R25,R28, R32, R38, T38, T45, T51(2)Length: 140mm-235mm(3)Package: in pallet or in carton.(4)Productivity: 5000pcs/ month(5)ISO9001:2008 certificated(6) Website: maxdrillrocktools.en.made-in-china.comPart No.MX-R283716Material Alloy Steel Surface treatment Painting Manufacturing process  MachiningStandard GB/T2828.1-2003 CertificationISO 9001:2015After-sales serviceYesWarranty period  6 MonthsTransport packaging  Carton&Plywood PalletCertificationsWide ApplicationCompany ProfileMaxdrill Rock Tools Co.,Ltd is an ISO 9001: 2008 certificated manufacturer of high quality rock Tophammer drilling tools and rock anchoring tools for global customers in mineral exploration, underground & surface mining and construction, tunneling, slope stabilization industry. Owing to supply "Energy-saving, Economical, efficient" products all along, we gradually become one of the most credible Chinese manufacturer in drilling industry.Maxdrill adopted the advanced manufacturing process and procedures in production, ensuring high quality steels and tungsten carbides to guarantee the consistent high quality of the products. So that we can satisfy you with saving your purchasing cost and saving more usage costBy several years of mutual efforts, we gradually developed Independent development of various designs and manufacture of rock drilling tools and formed a perfect service & quality control system including tight quality control procedure, which enables us significantly, eliminated the potential defects of the products and help us greatly promoted the service satisfaction.Maxdrill rock tools always committed to supply low cost, high efficiency, energy saving and environment-friendly products for global customers. No matter what kinds of rock-Soft rock, loose-medium rock, hard rock and any other special formations, just tell us what you need and leave others at our disposal, we will handle the following, our special Tailored service is waiting for you upon your demand.Packaging & ShippingFAQ1. who are we?We are based in Guizhou, China, start from 2004,sell to Africa(40.00%),Oceania(12.00%),Southeast Asia(10.00%),North America(7.00%),South America(7.00%),Domestic Market(6.00%),Mid East(4.00%),Eastern Asia(3.00%),Eastern Europe(2.00%),Western Europe(2.00%),Central America(2.00%),Northern Europe(2.00%),Southern Europe(2.00%),South Asia(00.00%). There are total about 51-100 people in our office.2. how can we guarantee quality?Always a pre-production sample before mass production;Always final Inspection before shipment;3.what can you buy from us?Button Bits/Drill Rods/Shank Adapter/DTH Drilling Tools/Coupling4. why should you buy from us not from other suppliers?Since 2005, Maxdrill Rock Tools has been striving to manufacture high quality rock drilling tools and rock anchoring for globe customers in mineral exploration. And we gradually become one of the most credible Chinese manufacturers in the industry.5. what services can we provide?Accepted Delivery Terms: FOB,CFR,CIF;Accepted Payment Currency:USD,CNY;Accepted Payment Type: T/T,L/C;Language Spoken:English,Chinese,Spanish   /* 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