3" Mini Quick Change Flap Discs For Aluminum – 1 Piece

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Product Specification

3" MINI QUICK CHANGE FLAP DISCS FOR ALUMINUM – 1 PIECE

Benchmark Abrasives 3-inch mini quick-change flap discs for aluminum are designed for fast grinding, weld blending, deburring, and surface preparation on aluminum and other soft, non-ferrous metals. The premium abrasive grain provides an aggressive, consistent cut, while the specialized stearate coating helps reduce loading, clogging, and material buildup.

Unlike conventional flap discs that can quickly gum up when used on aluminum, the stearate treatment liquefies slightly as heat develops during grinding. This creates a protective barrier across the abrasive flaps, helping prevent aluminum particles from sticking to the disc. The result is cleaner cutting, longer disc life, and less downtime replacing loaded abrasives.

The compact 3-inch diameter provides excellent control on smaller components, detailed fabrication work, and tight work areas. The quick-change attachment allows operators to replace discs in seconds without tools, making these mini flap discs ideal for fabrication shops, automotive applications, maintenance work, and production environments.

Quantity: 1 pieces

Use in combination with our 3” Quick Change Rubber Mandrel

**Mandrel sold separately**

Dimensions

• Outer Diameter – 3”
• Shank Diameter – R-Type quick change connection
• Backing Material – X-weight Cloth
• Grain – Aluminum Oxide (AO) with stearate Coating
• Available Grits – 36, 60
• Max RPM – 25,000

Key Features:

• Designed for aluminum and other soft, non-ferrous metals
• Stearate coating helps reduce loading, clogging, and gumming
• Premium abrasive grain delivers fast, consistent cutting
• Mini flap construction provides better durability than standard sanding discs
• Compact 3-inch size offers excellent control in tight areas
• Ideal for grinding, weld blending, deburring, and surface preparation
• Quick-change attachment allows fast, tool-free disc changes
• Helps produce a cleaner finish with less material buildup
• Longer usable disc life on aluminum applications
• Suitable for fabrication, automotive, maintenance, and production work

Machines Used On:

• Die Grinders and hand-held pneumatic grinders

Application:

• Non-Ferrous Materials – Aluminum, Zinc, Copper, Tin
• Other Materials – Fiberglass, Plastic, Hard Rubber, Wood, Stone
• Grinding and blending aluminum welds
• Finishing fillet welds
• Deburring cut or machined edges
• Removing surface imperfections
• Blending scratches and tool marks
• Smoothing cast aluminum components
• Removing oxidation
• Preparing surfaces for paint, coating, or polishing
• Finishing brass, bronze, copper, and other non-ferrous metals
• Dry use ONLY

Safety Tips & Techniques:

• Product requires a 3” Type R quick change backing pad to be used
• Always wear proper PPE to include (but not limited to) safety glasses, hearing protection, respirator, and hand protection. Keep all guards in place on your machine.