Manufacture R28 Coupling Sleeve Drill Bit Adapter Rock Drilling Tools Rock Drill Tools

Basic Info.Model NO.R28After-sales ServiceRepair or ReplacementWarranty6 MonthsCertificationISO 9001:2000, ISO 9001:2008StandardAISI, GBSurface TreatmentSpray-PaintManufacturing ProcessForgingMaterialCarbon SteelApplicationRock Drilling MachineThread TypeR28Diameter28Body ShapeRoundMOQ1 PieceTrademarkTIANYUETransport PackageWooden CaseSpecification42CrMo, 23CrNi3MoOriginChinaHS Code8207601000Product DescriptionProduct NameCoupling sleevesConnection TypeR28ThreadR32, R38, T38, T45, T51UsageFor Mining and Tunnel drill machineDiameter28Length150-170mmWeight1.2KGPackingWooden CaseKeywordsCoupling sleeves,Drill bit adapter,Rock drill tools,Tophammer drill tools,Drifter drill tools    Coupling sleeve is used to connect drill rod and drill rod, and drill rod and shank adapter, and has a sleeve with internal thread. It's widely used in open pit mining, underground mining, roadway excavation, anchoring engineering,blast furnace taphole, tunnel engineering, hydropower engineering, quarrying, and other construction projects.    According to the structure, it includes a full bridge coupling sleeve and a reducing coupling sleeve.Full bridge coupling sleeve: it is used for open-air construction, easy to dismantle, stable connection, and little risk of stuck.    Reducing coupling sleeve: Different thread at the ends to connect matchable products under specific conditions.Thread size: R32, R38, T38, T45, T51.According to the structure, it includes a full bridge coupling sleeve and a reducing coupling sleeve.Full bridge coupling sleeve: it is used for open-air construction, easy to dismantle, stable connection, and little risk of stuck.Reducing coupling sleeve: Different thread at the ends to connect matchable products under specific conditions.