4-1/2" x 7/8" T27 Felt Polishing Flap Disc

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Product Specification

4-1/2" X 7/8" T27 FELT POLISHING FLAP DISC

Turn your angle grinder into a versatile polishing tool with our 4-1/2" x 7/8" T27 felt polishing flap disc. The layered felt construction provides a broad, conformable polishing face that works well on flat, curved, and irregular surfaces, while the familiar flap-disc format gives you the speed, control, and portability of a standard 4-1/2" angle grinder.

This felt disc can be used throughout the cut → polish → finish sequence by changing buffing compounds. Unlike an abrasive flap disc with a fixed grit, the felt itself does not determine the polishing stage—the compound does. Use a cutting compound for initial refinement, progress through intermediate compounds to develop luster, and finish with a fine compound for high-gloss or mirror polishing.

Quantity: 10 Disc

Product Specifications

Product Features

• Felt flap construction designed specifically for angle-grinder polishing.
• Can be used throughout the cut → polish → finish sequence by changing compounds.
• Broad 4-1/2" face provides efficient coverage on medium to large surfaces.
• Layered felt conforms well to curves, contours, and irregular workpieces.
• T27 flat-face design works well on flat surfaces and outside contours.
• No fixed abrasive grit—the compound determines the level of cut and finish.
• Works with cutting, intermediate, coloring, and finishing compounds.
• Convenient alternative when the workpiece is difficult to bring to a stationary buffer.
• Maximum operating speed of 13,300 RPM.

Machines Used On

Designed for:

• 4-1/2" angle grinders
• 5" angle grinders using a compatible 7/8" arbor setup

The felt flap-disc format is especially useful when you want to perform a complete polishing process with the same handheld angle grinder platform rather than moving the workpiece between stationary buffing machines.

Materials & Applications

Best For

• Stainless steel
• Steel
• Aluminum
• Brass
• Copper
• Other ferrous and non-ferrous metals
• Compatible plastics
• Other surfaces suitable for felt polishing and the selected compound

Common Applications

• Multi-stage metal polishing
• Initial polishing with an appropriate cutting compound
• Intermediate polishing and luster development
• Final coloring and high-gloss finishing
• Flat and contoured surfaces
• Fabricated assemblies
• Tubing and curved components
• Automotive and restoration work
• Medium to large polishing areas

Polishing Performance

Tip: The felt disc is the polishing media; the compound controls the stage. Changing compounds allows the same style of felt flap disc to move from initial polishing through intermediate refinement and into final high-gloss finishing.

For best results, dedicate one felt disc to each compound to prevent cross-contamination between polishing stages.

Safety Tips & Techniques

• Never exceed the 13,300 RPM maximum operating speed.
• Confirm the disc is properly mounted before starting the grinder.
• Use an angle grinder and mounting system compatible with the 7/8" arbor.
• Apply compound sparingly rather than heavily loading the felt.
• Use light to moderate pressure and allow the compound and felt to do the work.
• Keep the disc moving to control heat buildup.
• Clean the workpiece before changing compounds.
• Use a separate felt disc for each compound whenever possible.

• Wear appropriate eye, hearing, respiratory, and hand protection.

• Keep the grinder guard in place.