Specification Brand : HARFINGTON BulletPoint1 : Size - Outer Diameter: 20mm / 0.79", Bore: 7mm / 0.28", Height: 22mm / 0.87". Comes with two screws to secure the shaft, ensuring a more secure fixation. BulletPoint2 : Material - Made of aluminum alloy, the lathe handwheel is strong, wear-resistant, corrosion-resistant and can be used for a long time. The surface is anodized to effectively improve corrosion resistance and wear resistance. BulletPoint3 : Feature - The inner hole is designed with a circular chamfer for shaft hole installation. The outer diameter of machine tool handwheel is designed with knurling, which can effectively increase torque and effectively prevent slipping. BulletPoint4 : Application - Machine hand wheel is suitable for lathes, drilling machines, milling machines, sliding displacement tables, stepper motor adjustment handwheels, industrial valves, etc. BulletPoint5 : Notice - Regularly check whether the handwheel is loose, pay attention to whether the lubrication is good, and perform maintenance in time. CareInstructions : Machine Wash Color : Black CornerStyle : Sharp CustomerPackageType : Standard Packaging ExternallyAssignedProductIdentifier1 : 840143571742 ExternallyAssignedProductIdentifier2 : 0840143571742 FabricType : 90% Polyester, 10% Spandex FitType : stretch ItemName : HARFINGTON Aluminum Alloy Handwheel 20mm OD 7mm Bore Aluminum Milling Machine Handle Machine Tool Hand Wheel with Wrench and 2pcs Screws for Milling Machine Lathe, Black ItemPackageDimensions_Height : 0.79 inches ItemPackageDimensions_Length : 5.51 inches ItemPackageDimensions_Width : 3.94 inches ItemPackageQuantity : 8 ItemShape : Rectangular ItemTypeKeyword : hardware-hand-wheels Manufacturer : HARFINGTON Material : 304 Stainless Steel, PP Plastic ModelName : UK0367 ModelNumber : hta240909hh000252 NumberOfBoxes : 1 NumberOfItems : 1 NumberOfSets : 1 OccasionType : Party, Wedding, Banquet, Trade Show, Exhibition PartNumber : hta240909hh000252 Pattern : Solid ProductDescription : Made of aluminum alloy, the lathe handwheel is strong, wear-resistant, corrosion-resistant and can be used for a long time. The surface is anodized to effectively improve corrosion resistance and wear resistance. The inner hole is designed with a circular chamfer for shaft hole installation. Comes with two screws to secure the shaft, ensuring a more secure fixation. The outer diameter of machine tool handwheel is designed with knurling, which can effectively increase torque and effectively prevent slipping. Machine hand wheel is suitable for lathes, drilling machines, milling machines, sliding displacement tables, stepper motor adjustment handwheels, industrial valves, etc. Note: Regularly check whether the handwheel is loose, pay attention to whether the lubrication is good, and perform maintenance in time.