Specification Brand : NDNCZDHC BulletPoint1 : Main Use: This shaft collar is designed specifically for fixing and positioning shafts, acting as linear motion stoppers and securely holding drill bits in place. BulletPoint2 : Aluminum Alloy Material: Constructed from aluminum alloy, this clamping collar is lightweight yet sturdy, offering excellent resistant to oxidation and wear. BulletPoint3 : Fine Workmanship: Crafted with accuracy in standard sizes and featuring a detailed surface finish, this shaft collar securely holds shafts without damaging their appearance. BulletPoint4 : Wide Application: Ideal for a variety of industries, this collar is suitable for gearbox assemblies, motor bases, machine tools, transmission shafts, agricultural implements, medical equipment, and automotive applications. BulletPoint5 : 4PCS: The package includes 4 clamping collars, ideal for long-term use and convenient replacements, ensuring you always have the necessary components on hand. Color : Silver ItemName : NDNCZDHC 4Pcs Shaft Collar Bore 30mm Aluminum Alloy Clamping Shaft Collars for Fixing and Positioning Shafts, Linear Motion Stoppers, Fixing Drill Bits ItemPackageDimensions_Height : 5 centimeters ItemPackageDimensions_Length : 7 centimeters ItemPackageDimensions_Width : 5 centimeters ItemTypeKeyword : clamp-on-shaft-collars Manufacturer : NDNCZDHC Material : Aluminum ModelName : NDNCZDHCo9vug268p4 ModelNumber : NDNCZDHCo9vug268p4 NumberOfItems : 1 NumberOfLithiumMetalCells : 1 PartNumber : NDNCZDHCo9vug268p4 ProductDescription : Item Type: Shaft Collar Aperture Size: 1-1/5in (30MM) Material: Aluminum Alloy Application: Used for fixing and positioning shafts, linear motion stoppers, and fixing drill bits. Suitable for gearbox assemblies, motor bases, machine tools, transmission shafts, paper and steel plant equipment, automotive industry, industrial, amateur craft industries, etc.