BRUSHES Hand brushes

BRUSHESAngle grindersImportant user informationBrushes for angle grindersTo be noted when selecting your brushes andusing angle grinders:1. Typical brush types for angle grindersPlease note:Wheel brushesAvailable with knottedand crimped wire.Cup brushesAvailable with knotted andcrimped wire, as well asabrasive filaments.When deciding on a suitablediameter for a brass wire cupbrush, do not forget that itwill flare during operation.The key factor in determiningthe maximum possible brushdiameter is therefore the sizeof the safety guard.Bevel brushesAvailable with knottedand crimped wire.2. Determining the operating speedThe maximum operating speed of a brush depends on its diameter. As in the case of a bicycle wheel, the larger it is thefewer turns are needed to cover a particular distance.The most common speeds are colour-coded to clearly show the differences and for ease of understanding:Diameter: Ø 115 mm Ø 125 mm Ø 150 mm Ø 180 mm Ø 230 mm(4 1 /2 ”)(5”)(6”)(7”)(9”)Operating speed: 12,500 rpm 11,000 rpm 8,500 rpm 8,500 rpm 6,500 rpm3. Which brush for which angle grinder?Brush type & trimBrush Ø60 65 75 80 90 100 115 120 125 150 178Wheel brush, knotted 115 115 125 150 180Wheel brush, crimped 115 115Cup brush, knotted 115 125 150 180 230Cup brush, crimped 115 125 150 150 / 180 230 230Cup, abrasive 150** adjustable115 mmThe machine information on the packagingThe machine icon on all Osborn packaging will also show themaximum permitted machine size.16