Prenine 4 CB440 Makita Carbon Brushes, Carbon Brushes for Makita drills CB-440 DF458Z DTD140 DTD146 DHP456 DHP458 / 482 DTW251 BHP451 BHP452, 13x10x3mm

General descriptionThe Prenine 4 CB440 Makita Carbon Brushes are designed for use with a variety of Makita drills and power tools, ensuring optimal performance and longevity. These carbon brushes are essential for maintaining the functionality of motors, generators, and shafts, providing better commutation performance and durability.Technical specificationsMaterial: Copper + CarbonItem Size: 13 x 10 x 3 mm (0.51 x 0.39 x 0.11 inches)Net Weight: 30 g (1.06 oz)Quantity: 4 pcsCompatibility and accessoriesCompatible with Makita models: CB-440, BHP458, 18V, BDF452, BHP454, DDF458Z, DF458D, DDF458RFE, DHP458, DDF456, BDF452, DTD146, and others.InstallationEnsure the carbon brush is installed in the insulated carbon brush holder if the lead wire is covered with an insulating tube.Position the surface direction correctly to avoid low power generation.UsageRegularly check the carbon brushes for wear; replace them if they are worn out to maintain optimal performance.Avoid mixing new and old carbon brushes to ensure even current distribution.