The 3" x 2" aluminum oxide flap wheel is a wide, shaft-mounted abrasive designed for sanding, deburring, blending, and surface refinement on flat, curved, and contoured surfaces. Its 2" face width provides substantially more working area than narrower mounted flap wheels, making it a strong choice when faster coverage and a wider sanding path are beneficial.
Built with aluminum oxide abrasive on a durable X-weight polycotton cloth backing, these flap wheels are well suited for general-purpose metalworking, woodworking, and surface preparation. The flexible flaps conform to the workpiece while the integrated 1/4" shank mounts directly into compatible straight die grinders and rotary drills. Seven grit options cover applications ranging from aggressive cleanup to fine finishing.
Quantity: 10 Flap Wheels
Product Specifications
Specification
Details
Wheel Diameter
3"
Face Width
2"
Shank Diameter
1/4"
Abrasive Grain
Aluminum Oxide
Backing
X-Weight Polycotton Cloth
Available Grits
40, 60, 80, 120, 180, 240, 320
Maximum RPM
20,000 RPM
Use
Dry Only
Quantity
10
Product Features
Wide 2" face provides greater surface coverage with each pass
Flexible flap construction conforms to curved, contoured, and irregular surfaces
Aluminum oxide abrasive delivers reliable general-purpose cutting and finishing
Durable X-weight polycotton cloth backing combines strength with flexibility
Layered flaps expose fresh abrasive as the wheel wears
Seven grit options cover aggressive material removal through fine surface refinement
Integrated 1/4" shank mounts directly into compatible straight die grinders and rotary drills
Materials & Applications
Best For
Sanding and blending broader surfaces
Deburring edges and contours
Blending and smoothing surface imperfections
Removing light rust and paint
Cleaning weld areas and weld spatter
Surface preparation before coating
Finishing pipes, cylinders, curves, and profiles
Materials
Ferrous Metals: Cast iron, steel, stainless steel, wrought iron
Non-Ferrous Metals: Copper, titanium, nickel
Other Materials: Fiberglass, plastic, hard rubber, wood, stone
Machine Compatibility
Designed for use with compatible:
Straight die grinders
Rotary drills
The tool must accept and securely retain a 1/4” shank, provide clearance for the wheel diameter and face width, and have a controllable no-load speed at or below the flap wheel’s marked maximum RPM. Follow both the wheel and tool manufacturer instructions
For a ready-to-use option, pair these flap wheels with the Benchmark Abrasives Straight Pneumatic Die Grinder:
Tips for Better Flap Wheel Performance
Let the abrasive do the cutting instead of applying excessive pressure.
Choose a coarser grit when more material needs to be removed rather than forcing a finer grit to cut aggressively.
Use lighter pressure when refining a surface or controlling heat buildup.
Keep the wider face in controlled contact with the workpiece for even sanding and blending.
Progress through finer grits when a smoother final surface is required.
Test the selected grit on the workpiece when final appearance is important.
The 3" x 2" aluminum oxide flap wheel is a wide, shaft-mounted abrasive designed for sanding, deburring, blending, and surface refinement on flat, curved, and contoured surfaces. Its 2" face width provides substantially more working area than narrower mounted flap wheels, making it a strong choice when faster coverage and a wider sanding path are beneficial.
Built with aluminum oxide abrasive on a durable X-weight polycotton cloth backing, these flap wheels are well suited for general-purpose metalworking, woodworking, and surface preparation. The flexible flaps conform to the workpiece while the integrated 1/4" shank mounts directly into compatible straight die grinders and rotary drills. Seven grit options cover applications ranging from aggressive cleanup to fine finishing.
Quantity: 10 Flap Wheels
Product Specifications
Specification
Details
Wheel Diameter
3"
Face Width
2"
Shank Diameter
1/4"
Abrasive Grain
Aluminum Oxide
Backing
X-Weight Polycotton Cloth
Available Grits
40, 60, 80, 120, 180, 240, 320
Maximum RPM
20,000 RPM
Use
Dry Only
Quantity
10
Product Features
Wide 2" face provides greater surface coverage with each pass
Flexible flap construction conforms to curved, contoured, and irregular surfaces
Aluminum oxide abrasive delivers reliable general-purpose cutting and finishing
Durable X-weight polycotton cloth backing combines strength with flexibility
Layered flaps expose fresh abrasive as the wheel wears
Seven grit options cover aggressive material removal through fine surface refinement
Integrated 1/4" shank mounts directly into compatible straight die grinders and rotary drills
Materials & Applications
Best For
Sanding and blending broader surfaces
Deburring edges and contours
Blending and smoothing surface imperfections
Removing light rust and paint
Cleaning weld areas and weld spatter
Surface preparation before coating
Finishing pipes, cylinders, curves, and profiles
Materials
Ferrous Metals: Cast iron, steel, stainless steel, wrought iron
Non-Ferrous Metals: Copper, titanium, nickel
Other Materials: Fiberglass, plastic, hard rubber, wood, stone
Machine Compatibility
Designed for use with compatible:
Straight die grinders
Rotary drills
The tool must accept and securely retain a 1/4” shank, provide clearance for the wheel diameter and face width, and have a controllable no-load speed at or below the flap wheel’s marked maximum RPM. Follow both the wheel and tool manufacturer instructions
For a ready-to-use option, pair these flap wheels with the Benchmark Abrasives Straight Pneumatic Die Grinder:
Tips for Better Flap Wheel Performance
Let the abrasive do the cutting instead of applying excessive pressure.
Choose a coarser grit when more material needs to be removed rather than forcing a finer grit to cut aggressively.
Use lighter pressure when refining a surface or controlling heat buildup.
Keep the wider face in controlled contact with the workpiece for even sanding and blending.
Progress through finer grits when a smoother final surface is required.
Test the selected grit on the workpiece when final appearance is important.
Never exceed the wheel's marked 20,000 RPM maximum speed.
Make sure the power tool, chuck, or collet is rated for the wheel size and operating speed.
Frequently Asked Questions
Aluminum oxide flap wheels are versatile abrasives for sanding, deburring, blending, surface preparation, and finish refinement. Their flexible flaps allow them to follow curved, contoured, and irregular surfaces while also working effectively on flatter areas.
The 2" face width provides more abrasive contact and a wider sanding path, making this size especially useful when greater surface coverage is more important than reaching into tight spaces. Narrower flap wheels provide better access when working in confined areas.
The individual abrasive flaps flex as they contact the workpiece, allowing the wheel to follow contours and irregular shapes more easily than a rigid abrasive. As the flaps wear, fresh abrasive is progressively exposed.
Lower grit numbers remove material faster, while progressively finer grits provide greater control and a smoother scratch pattern. Refer to the Which Grit Should I Use? chart above for a quick selection guide.
No. The tool must securely accept a 1/4” shank, provide clearance for the wheel diameter and face width, and have a controllable no-load speed at or below the wheel’s marked maximum RPM. Follow both manufacturers’ instructions; shank fit alone does not establish compatibility.
This shaft-mounted flap wheel is intended for compatible straight die grinders and rotary drills. It is not designed for mounting directly onto a standard angle grinder arbor.
No. These flap wheels are designed for dry use only.
No. 20,000 RPM is the wheel's maximum allowable speed, not a recommended operating speed. The power tool's no-load speed must not exceed the wheel's marked maximum RPM, and use must follow both manufacturers' instructions.
No. This product is sold as a 10-pack.
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