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

The carbon brush is installed in the brush holder to ensure free up-and-down movement. The gap between the carbon brush and the inner wall of the brush holder should be between 0.1 and 0.3 mm, preventing wobbling due to excessive clearance. The width between the bottom edge of the brush holder and the switch surface should be approximately 2 mm. Carbon brushes are suitable for a variety of motors, generators, and shafts. They offer improved switching performance. The carbon brush will move up and down within the brush holder. If this does not allow for smooth operation, remove any excess material. If the carbon brush is worn to a certain extent, it must be replaced. Mixing new and old brushes may result in uneven current distribution. If the carbon brush's conductor is covered with an insulating tube, it must be installed in an insulated brush holder. The surface direction must be correctly positioned; otherwise, if the contact area is too small, power output will be low or nonexistent. Carbon brushes for MAKITA CB-440 BHP458 18V BDF452 BHP454, replacement for power tools, finely finished. Features: - Long life and durability. - High hardness and wear resistance. Universal fit: For MAKITA CB-440 BHP458 18V BDF452 BHP454 For Makita DDF458Z DF458D DDF458RFE DHP458 BHP458 DDF458 BDF458RFE BDF458Z BDF446 BDF456 BHP446 BHP456 DHP456 DDF456 BDF452 DTD146 and other machines Specification: Material: Copper + Carbon Quantity: 4 pieces Item Size: 13 * 10 * 3mm / 0.51 * 0.39 * 0.11" (L * W * H) Net Weight: 30g / 1.06oz Package: 4 * Carbon Brushes