Standard Abrasives 875700, HS Mini-Brush, 4-1/2 in x 4 in x 5/8-11 FB018 41-42 A CRS Medium Density, 7010369375

Restore Original Finishes

Conventional methods for blending weld traces and other imperfections can be time consuming and unpredictable. The Standard Abrasives High Strength Mini-Brush restores the original appearance of your metal parts quickly and easily. Users begin by welding and setting the grain as normal. Then, the Standard Abrasives High Strength Mini-Brush follows to deliver stainless finishes.

The brush is constructed by attaching thin flaps of nonwoven abrasive material mounted to a fiberglass core. Its design utilizes the face of the material rather than the edge, resulting in fine finishes without leaving the traces of lines associated with the ganged arbor hole discs. The flaps are buoyant and responsive, so, rotating on the workpiece they splay out subtly and cover more surface area to eliminate gaps. The brush easily attaches to a die grinder or rotary tool and can be brought to the workpiece if necessary. It is made with high strength (HS) buff and blend material, which has greater tear resistance and is perfect for use on final finishing of irregular shaped parts.

Benefits of Open Web Abrasives

Standard Abrasives High Strength Mini-Brush mixes aluminum oxide mineral and nonwoven nylon fibers with a resin bond, resulting in a dense open web. Resin bonds tolerate heat and help enhance overall durability of the abrasive. Aluminum oxide mineral cuts sharp and is friable, fragmenting under heat and pressure to reveal sharp cutting edges, so you get a consistent cut throughout the life of the abrasive.

Gaps between the nonwoven nylon fibers allow swarf and debris to escape, so the abrasive does not get clogged with buildup and keeps cutting sharper for longer. Moreover, the nylon fibers are buoyant and responsive, so you get a consistent cut without gouging or marring the workpiece. Given that maintaining part geometry especially on fabricated steel parts is often a top concern, the mini-brush’s ability to conform to the substrate without compromising part geometry is one of its key benefits. It helps reduce the likelihood of having to discard scrap parts due to incorrect tolerances, as well as minimize the need for rework.

Variations of the High Strength Mini-Brush

The Standard Abrasives High Strength Mini-Brush is color coded by grade to help users quickly identify the right grade for their application. Grades include medium (MED) and coarse (CRS). Medium grades will cut less aggressively but leave a finer scratch pattern, whereas coarse grades will cut more aggressively and leave a rougher scratch pattern.

Altogether, the High Strength Mini-Brushes are quality abrasives, providing users with a fast and easy way to restore workpiece finishes to their original condition.