Specification Brand : Sinoblu BulletPoint : C6 - 1 3/8 Inch Shaft Collar Donut Zinc Anode For 1 3/8 Inch Shafts BulletPoint1 : Material: The shaft collar is crafted from high-quality aluminum alloy, featuring an H7 precision inner bore. It is lightweight, with a surface that offers excellent resistance to oxidation and corrosion, ensuring long-lasting durability and strength BulletPoint2 : Design Fertures: The set collar design fully engages the shaft without causing any damage. It is easy to install, eliminating the need for major disassembly that would typically be required BulletPoint3 : Application: The shaft collar is used for securing and positioning shafts, acting as a linear motion stopper, and fixing the axis of rotation BulletPoint4 : Easy to Install and Remove: The shaft collar design enables quick installation and removal without the need for extensive disassembly. Made from high-quality aluminum with surface treatment, it maintains excellent performance in harsh environments BulletPoint5 : Package : 4Pcs shaft collars ExteriorFinish : Black Oxide ExternallyAssignedProductIdentifier1 : 0850046109195 ExternallyAssignedProductIdentifier2 : 850046109195 ExternallyAssignedProductIdentifier3 : 00044861600405 ItemName : Sinoblu (Pack of 4) 12.7mm Shaft Locking Collar Aluminum Split Shaft Collar, 12.7mm Bore Size, 30mm OD, with M4 Set Screw, 10mm Thickness ItemPackageDimensions_Height : 2 inches ItemPackageDimensions_Length : 3 inches ItemPackageDimensions_Width : 3 inches ItemPackageQuantity : 1 ItemTypeKeyword : setscrew-shaft-collars Manufacturer : Sinoblu Material : Aluminum ModelNumber : MC-40 NumberOfItems : 4 PartNumber : 4SCS12.7-12.730-10 Pattern : Solid ProductDescription : The fixed ring is made of aluminum alloy, which is lightweight and corrosion-resistant, making it suitable for various working environments. Its split design typically consists of two halves, fixed onto the shaft using two or more screws, allowing for flexible and convenient installation. The main function of the fixed ring is to fix, position, and support the shaft or other mechanical components, ensuring stable operation of the system, reducing wear, improving efficiency, and effectively protecting the integrity of the shaft. ProductSiteLaunchDate : 2025-03-07T08:00:33.358Z Size : 12.7mm bore Style : Modern SupplierDeclaredDgHzRegulation : not_applicable UnspscCode : 31161500