LUTHER Spiral Brush Shaft diameter (mm): 3 Hair material: Abrasive nylon (grid nylon) B8340 1 bag

Catalog number: B8340 Features: ●Ideal for deburring, polishing, and finishing the inner surfaces of cylinders and screw holes. ●Abrasive-containing nylon is soft to the touch and does not scratch the workpiece. Applications: ●For polishing and cleaning metal surfaces, deburring metal and non-metal surfaces, siding wood. Specifications: ●Wire diameter (mm): 0.3 ●Brush material: Abrasive-containing nylon (grid nylon) ●Outer diameter (mm): 4 ●Brush length (mm): 25 ●Shaft length (mm): 45 ●Shaft diameter (mm): 3 ●Maximum operating speed (rpm): 3500 ●Grain size (#): 500 ●Abrasive grains (silicon carbide) are mixed into the nylon material and processed into a filament, providing excellent polishing power.