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High-Strength Interlocking Kelly Bar for Casagrande Drilling Equipment1
Engineering Construction Machinery, Kelly Bar, Casagrande Kelly Bar
Xuzhou Shenwei Foundation Machinery Technology Co., Ltd
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Product Description SW kelly bar Concentration & Innovation for 20 years·Matched with drilling rigs: Bauer,Soilmec, LB.Liebherr,Casagrande, Mait, lMT, CMV,XR.XCMG, Zoomlion, sany,CRRC,sunward,Yutong,Tysim, Jintai, etc.Typical model:customize any Kelly bar according to your needsCommon Model of Kelly bar(MZ(JS)D-nxL SW kelly bar Product DescriptionΔ High strengh,High abrasion-resistance,High-reliability Prolong service life 1Steel tube·Seamless alloy tube same ashydro-cylinder·Much higher nominal loadingtorque of Kelly bars·Shot Blasting before welding5Drive shell· Robot cutting and welding·Integral arc plateHigh wear resistance2Extermal strips·Alloy material heat-treated.·High hardness and highabrasion-resistance6Terminal jointRobot cutting and weldingOverlapping of intermal andextemnal platesSmall tendency for cracking3Locking plate·Alloy material heat-treated·High hardness and highabrasion-resistance·Robot cutting.·Tail structure reduce crackingtendency7Anti-friction plateFull-rotatingReduce wear on pipe endsand stopper plate4Upper guide ring·Three moving rings.·Wear-resistance.·Impact resistance8Tool jointIntegral forging with leghth notless than 1.2 metersSignificantly reduce weld load ☆☆☆☆☆Tube TypeYield strengthY.S.(MPa)Tensile strengthT.S.(MPa)Reference StandardSeamless tube same as Hydro-cylinder≥835≥980GB/T 17396 SW kelly bar Successful Cases SW kelly bar Bulk export to various parts of the world SW kelly bar Company Profile20 years of professional experience 1000 sets of annual production10000 sets being in use for jobsite working60000 m2 premises for mass productionPlentiful stocks and Rapid delivery Full range of Kelly bars matched with various drilling rigsAuthorized supplier of drilling rig manufacturers in ChinaSW No.1&No.2 Factory Finished product inventory and raw materialsSW kelly bar intelligent ManufacturingSW kelly bar Certificate Certificate :CE&ISO9001&ISO45001&ISO14001 Enterprise Honors: Excellent supplier Authorizedwe are the largest and most popular Kelly bar manufacturer in China. We have been a major supplier of Kelly bars to leading Chinese drilling rig manufacturers such as Zoomlion and Sunward for 20 years. We have been rated as an excellent supplier for 15 consecutive years. By matching the newly manufactured drilling rigs, Tens of thousands of SW Kelly bars have been delivered to job sites all over the world. Due to the advantage of mass production, our quality and costs are very competitive.
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