3M 7010515939 Abrasive Belt 947A 120+ Grit 1.5x30 in

Product Description

The 3M 7010515939 is a Cubitron II Cloth Belt 947A built for low- and medium-pressure grinding and finishing on metal. It uses 3M Precision-Shaped Grain, a triangular ceramic abrasive grain that fractures continuously to maintain sharp cutting edges throughout belt life. This design channels heat into the swarf rather than the workpiece, keeping both the belt and the metal cooler than conventional ceramic abrasive belts. The 120+ grit rating and X-weight poly-cotton backing make it well suited for finer finishing passes where control and surface quality matter. Fabricators, weld finishers, and metal finishing technicians are the primary installers of this belt.

This belt is designed for low- and medium-pressure offhand sanding and grinding operations on stainless steel, mild steel, and aluminum. The semi-flexible X-weight poly-cotton backing provides both tensile strength and enough flex to work around contoured and intricate parts. It is compatible with backstands, file belt sanders, inline sanders, and stroke sanders. The closed coat construction and integrated grinding aid support consistent stock removal in heat-sensitive metal applications where burnishing or discoloration must be avoided.

Key Features

• Precision-Shaped Grain continuously fractures to expose fresh cutting edges, extending belt life compared to conventional ceramic abrasives
• Heat-diversion design channels thermal energy into swarf, reducing workpiece discoloration and belt glazing
• X-weight poly-cotton backing delivers flexibility for contoured surfaces while maintaining tensile strength
• Closed coat with grinding aid supports consistent cut rate on stainless steel, mild steel, and aluminum
• 120+ grit rating suited for finer finishing and blending applications at low to medium pressure
• Sized at 1.5 inches x 30 inches for use in compact, maneuverable belt tools on intricate parts

Compatibility

Designed for use on backstands, file belt sanders, inline sanders, and stroke sanders performing low- and medium-pressure offhand operations on stainless steel, mild steel, and aluminum.

Installation Notes

Belt installation should be performed by qualified metalworking personnel following the tool manufacturer's belt-change procedure. Confirm the drive wheel and contact arm are free of debris and that tracking is adjusted before running the belt under load. Always power down and de-energize the tool before changing belts. Inspect the belt for cracks, tears, or splice separation before each use and do not exceed the belt's rated operating speed.