Specification Brand : HARFINGTON BulletPoint1 : Size - Outer Diameter: 40mm / 1.57", Bore: 5mm / 0.2", Height: 25mm / 1". 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. Color : Black ExteriorFinish : Black FinishType : Polished IncludedComponents : handle ItemName : HARFINGTON Aluminum Alloy Handwheel 40mm OD 5mm Bore Aluminum Milling Machine Handle Machine Tool Hand Wheel with Wrench and 2pcs Screws for Milling Machine Lathe, Black ItemPackageDimensions_Height : 0.98 inches ItemPackageDimensions_Length : 5.51 inches ItemPackageDimensions_Width : 3.94 inches ItemPackageQuantity : 6 ItemTypeKeyword : hardware-hand-wheels Manufacturer : HARFINGTON Material : Nylon ModelName : Adjustable Handles ModelNumber : hta240909hh000265 NumberOfBoxes : 1 PartNumber : hta240909hh000265 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.