Micro Abrasive Nylon brushes are manufactured using a stainless steel stem wire in a single-spiral construction. These brushes efficiently polish and clean internal bore diameters and hard-to-reach areas.

We offer over 50 standard Micro Abrasive Nylon brushes in alumina silicate, silicon carbide and aluminum oxide filament types. Other specifications include brush and filament diameter and density, overall length and grit. The correct brush can also be selected by the hole diameter.

These brushes are ideal for ultra-fine deburring and cleaning of internal holes produced by small drilling without altering bore dimensions or surface finishes. The brushes can be used in any wet or dry application in any industrial environment and are suited for manual use or in hand power tools, drill presses and CNC machining centers.

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SKU Brush Diameter Grit Size Brush Length Overall Length Filament Diameter Material
31210 .030" 1000 1/2" 4" .008 Alumina Silicate
31040 .050" 500 1/2" 4" .018 Silicon Carbide
31215 .050" 1000 1/2" 4" .008 Alumina Silicate
31045 .075" 500 3/4" 4" .018 Silicon Carbide
31220 .075" 1000 3/4" 4" .008 Alumina Silicate
31050 .090" 500 3/4" 4" .018 Silicon Carbide
31225 .090" 1000 3/4" 4" .008 Alumina Silicate
31055 .105" 500 1" 4" .018 Silicon Carbide
31230 .105" 1000 1" 4" .008 Alumina Silicate
31060 .125" 500 1" 4" .018 Silicon Carbide
31235 .125" 1000 1" 4" .008 Alumina Silicate
31065 .135" 500 1" 4" .018 Silicon Carbide
31240 .135" 1000 1" 4" .008 Alumina Silicate
31070 .150" 500 1" 4" .018 Silicon Carbide
31245 .150" 1000 1" 4" .008 Alumina Silicate
31075 .165" 500 1" 5" .018 Silicon Carbide
31140 .165" 600 1" 5" .012 Aluminum Oxide
31250 .165" 1000 1" 5" .008 Alumina Silicate
31080 .180" 500 1" 5" .018 Silicon Carbide
31145 .180" 600 1" 5" .012 Aluminum Oxide

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