Specification Brand : HARFINGTON BulletPoint1 : Size - The round hole shaft collar is 1-3/8 inch bore, 2-1/4 inch outside diameter, 9/16 inch wide (thick). Single-split design collar provides a firm and stable fit onto the shaft, preventing components from sliding or moving out of position without damaging the shaft. BulletPoint2 : Material - Each hole collar is made of carbon steel, high strength, strong locking force, black oxide plating anti-corrosion and durability. Round bore collars are common use as positioners, spacers, stops and bearing surfaces. BulletPoint3 : Usage - Quickly installed by sliding the collar onto the shaft and tightening the set screw, it can be easily removed or adjusted, reducing downtime. BulletPoint4 : Applications - Clamping collars are suitable for various machinery and industries, such as drive shafts, agricultural implements, gearbox assemblies, motor bases, machine tools, steel plant equipment, the automotive industry, manufacturing and other industries. BulletPoint5 : Package Contents - You will receive 1pcs shaft collar and 1pcs set screw. Using high-strength inner hexagonal screws, the locking force is strong, stable and firm without slipping. Color : Onecolor ExternallyAssignedProductIdentifier : 9363730127319 ItemName : HARFINGTON Shaft Collar 1-3/8" Bore 2-1/4" OD 9/16" Width Black Oxide Plating Single Split Axle Clamp-On Collar with Set Screw ItemPackageDimensions_Height : 0.59 inches ItemPackageDimensions_Length : 5.51 inches ItemPackageDimensions_Width : 3.94 inches ItemPackageQuantity : 1 ItemTypeKeyword : clamp-on-shaft-collars Manufacturer : HARFINGTON Material : Aluminum NumberOfItems : 1 PartNumber : hta230713hh000079 ProductDescription : Each hole collar is made of carbon steel, high strength, strong locking force, black oxide plating anti-corrosion and durability. Round bore collars are common use as positioners, spacers, stops and bearing surfaces. Single-split design collar provides a firm and stable fit onto the shaft, preventing components from sliding or moving out of position without damaging the shaft. Using high-strength inner hexagonal screws, the locking force is strong, stable and firm without slipping. Quickly installed by sliding the collar onto the shaft and tightening the set screw, it can be easily removed or adjusted, reducing downtime. Clamping collars are suitable for various machinery and industries, such as drive shafts, agricultural implements, gearbox assemblies, motor bases, machine tools, steel plant equipment, the automotive industry, manufacturing and other industries.