Specification Brand : Sinoblu BulletPoint1 : Size:D30mm x L35mm/1.18inch x 1.37inch Bore Diameter: 12mm to 13mm / 0.47inch to 0.51inch BulletPoint2 : Shaft Coupler Material: Aluminum alloy, Surface oxidation treatment; Type: Plum shaped BulletPoint3 : Super torque can absorb vibration, appropriate a large torque transmission.High hardness,Durable,and excellent response,not easy to loosen BulletPoint4 : Flexibility of coupling shaft removes stress between the motor and driving components, The coupling can be disassembled and used in combination by itself BulletPoint5 : The shaft couplers are mainly used for CNC machines,servo motors, spindle, step motor etc ItemName : sinoblu 12mm to 13mm bore flexible Couplings D30L35 Shaft coupling for Stepped Motor and 3D Printer CNC Machine ItemTypeKeyword : spider-couplings Manufacturer : Sinoblu Material : Aluminum MetalType : Aluminum NumberOfItems : 1 PartNumber : HC-JL-3035-12-13 ProductSiteLaunchDate : 2024-04-30T02:43:43.627Z Size : 12mm to 13mm SupplierDeclaredDgHzRegulation1 : unknown SupplierDeclaredDgHzRegulation2 : unknown SupplierDeclaredDgHzRegulation3 : unknown SupplierDeclaredDgHzRegulation4 : unknown SupplierDeclaredDgHzRegulation5 : unknown UnspscCode : 31161700