3M 33439, 60+ Mini File Sanding Belt
- 3/8 in X 13 in
- 10 belts
The 3M 33439, 60+ Mini File Sanding Belt contains a precision-shaped ceramic abrasive grain coated on a heavy duty backing w and resin bonded for heat resistance. Precision-shaped ceramic grain fractures into sharp points for faster cutting and is engineered to run cooler, reducing metal discoloration/oxidation and the chance of heat-related stress cracks.
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