1" MOUNTED KNOTTED .020 WIRE END BRUSH1" MOUNTED KNOTTED .020 WIRE END BRUSH 83080, 1/4" STEM DIA., 1" TRIM LENGTH, 12 KNOTS, CARBON STEEL .020" Wire Size, Carbon Steel Type, 1/4" Shank Diameter , 1" Trim Length. These knotted wire type end brush are for heavy-duty and severe applications, recessed areas and corners such as weld and mold cleaning. They are recommended for use in straight grinders and flexible shaft type grinders. The power source should preferably be of a variable speed type to control fill expansion. They should be run between 10,000 and 15,000 RPM and are available in standard carbon steel wire and stainless steel wire, as well as a standard crimped type.
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