Simplify your metal conditioning work with this easy-to-use, long-lasting and quick cleaning 3" Makita KNOTTED Wire Cup Brush, designed to work with your 4-1/2" Angle Grinder. Ideally suited for removing heavy corrosion, rus...

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Product Review

Simplify your metal conditioning work with this easy-to-use, long-lasting and quick cleaning 3" Makita KNOTTED Wire Cup Brush, designed to work with your 4-1/2" Angle Grinder. Ideally suited for removing heavy corrosion, rust, paint, spatter and scale removal while also cleaning weld edges and deburring metal; great for cleaning castings, structural steel and sheet metal while also roughening for adhesion, finishing for appearance and preparation prior to plating or painting. Holding the brushes at an angle of no more than 5°, allowing only the TIPS to do the work with LIGHT, CONSTANT pressure ensures full wire-workpiece contact and maximal wire life. WARNING: Incorrect angles or excessive pressure makes the wires heat up, become fatigued and prematurely break, while also may show up as bluing of the wires and the "groaning" of the angle grinder from the excessive load. Unlike a coated abrasive, a wire brush or wheel is designed to condition metal surface area and is NOT a metal removal accessory. Carbon Steel Brushes should only work on Carbon Steel to avoid cross-contamination.

  • PREMIUM KNOTTED WIRE CUP BRUSH: 3" diameter with 5/8"-11 UNC thread and 0.020" tempered carbon steel wire; engineered for Makita 4-1/2" angle grinders and compatible with all grinders using the same thread size.
  • LONG-LASTING PERFORMANCE: Designed to last up to 4x longer than standard wire brushes using Makita’s premium carbon steel and precision-balanced knotted construction.
  • HEAVY-DUTY CLEANING: Removes rust, paint, spatter, and scale while also cleaning weld edges, deburring metal, and conditioning surfaces for paint or plating.
  • AGGRESSIVE SURFACE CONDITIONING: Thick knotted cup design ideal for large surface areas; crimped cup design provides flexibility and fatigue resistance for extended operation.
  • TRUSTED MAKITA QUALITY: Backed by Makita’s engineering excellence, products that deliver professional-grade performance trusted by tradespeople worldwide.

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