Flap Disc

Smooth Every Surface – Buy Abrasive Flap Discs Online at The Avenjers

Looking for a reliable abrasive solution for grinding and finishing? At The Avenjers, we make it easy to Buy Abrasive Flap Discs Online that deliver versatility, durability, and excellent surface finish. Whether you're blending welds, deburring edges, or smoothing metal, our Grinding & Finishing Wheels are engineered to perform.

What Makes Our Flap Discs Stand Out?

Our Grinding & Finishing Wheels combine layered abrasive flaps with a durable backing plate to give you:

  • Aggressive material removal with smoother finishes
  • Cool grinding action to reduce heat buildup
  • Extended disc life with consistent performance
  • Multiple grit options for everything from heavy stock removal to fine polishing
  • Available in angled and flat designs for different surfaces

Perfect for use with angle grinders and compatible with steel, stainless steel, aluminum, and more.

Ideal for Multiple Applications

Our Abrasive Flap Discs Online are widely used in:

  • Metal fabrication and structural work
  • Welding and automotive repair
  • Shipbuilding, construction, and general maintenance
  • DIY projects and home improvement

They’re a staple in any professional's toolbox for fast, efficient surface prep and finishing.

Why Buy from The Avenjers?

  • Heavy-duty abrasive grains (zirconia, ceramic, or aluminum oxide)
  • Fiberglass, plastic, or metal backing plates for strength and control
  • Balanced design for smooth, vibration-free operation
  • Options for aggressive stock removal and light finishing
  • Bulk packs for workshop or industrial use

We offer a range of diameters and arbor sizes to match your specific tools and tasks.

Work Cleaner, Faster, Smarter

Whether you’re beveling, blending, or polishing, our flap discs help reduce rework and tool wear. They’re designed to provide consistent surface results while lasting longer than traditional grinding wheels.

Finish strong – Buy Abrasive Flap Discs Online at The Avenjers and achieve professional results with every pass using our trusted Grinding & Finishing Wheels!

Sort by:

  • Flap Disc, Type 27, 4-1/2" dia., 120 Grit
    SKU G6037129
    Categories Flap Disc
    Description Flap Disc, Abrasive Type Coated, Abrasive Material Zirconia Alumina, Grade Fine, Backing Plate Material Plastic, Connector Size 5/8 In.-11, Connector Type Threaded Hole, Density Rating Standard, Flap Disc Type Type 27, Overall Diameter 4 1/2 in, Series XB1186, Backing Material Plastic, Backing Weight X, Grit 120, Maximum Operating Speed 13,300 RPM, Features Trimmable

    graingerSKU: 447R70, mscSKU: , zoro_no: G6037129, mongo_id: 65bbea1022d7a989a9993c3c

    $9.32 / each
    Web price
    Qty
    Flap Disc, Type 27, 4-1/2" dia., 120 Grit
    SKU G6037129
    Categories Flap Disc
    Description Flap Disc, Abrasive Type Coated, Abrasive Material Zirconia Alumina, Grade Fine, Backing Plate Material Plastic, Connector Size 5/8 In.-11, Connector Type Threaded Hole, Density Rating Standard, Flap Disc Type Type 27, Overall Diameter 4 1/2 in, Series XB1186, Backing Material Plastic, Backing Weight X, Grit 120, Maximum Operating Speed 13,300 RPM, Features Trimmable

    graingerSKU: 447R70, mscSKU: , zoro_no: G6037129, mongo_id: 65bbea1022d7a989a9993c3c

    $9.32 / each
    Web price
    Qty
  • Flap Disc, Type 29, 5" dia., 60 Grit
    SKU G6034301
    Categories Flap Disc
    Description Flap Disc, Abrasive Type Coated, Abrasive Material Zirconia Alumina, Grade Medium, Backing Plate Material Fiberglass, Connector Size 7/8 in, Connector Type Unthreaded Hole, Density Rating Standard, Flap Disc Type Type 29, Overall Diameter 5 in, Series XB1186, Backing Material Fiberglass, Backing Weight X, Grit 60, Maximum Operating Speed 12,000 RPM

    graingerSKU: 447R68, mscSKU: , zoro_no: G6034301, mongo_id: 65bbe97a22d7a989a995a5d5

    $5.39 / each
    Web price
    Qty
    Flap Disc, Type 29, 5" dia., 60 Grit
    SKU G6034301
    Categories Flap Disc
    Description Flap Disc, Abrasive Type Coated, Abrasive Material Zirconia Alumina, Grade Medium, Backing Plate Material Fiberglass, Connector Size 7/8 in, Connector Type Unthreaded Hole, Density Rating Standard, Flap Disc Type Type 29, Overall Diameter 5 in, Series XB1186, Backing Material Fiberglass, Backing Weight X, Grit 60, Maximum Operating Speed 12,000 RPM

    graingerSKU: 447R68, mscSKU: , zoro_no: G6034301, mongo_id: 65bbe97a22d7a989a995a5d5

    $5.39 / each
    Web price
    Qty
  • Flap Disc, Type 27, 4-1/2" dia., 36 Grit
    SKU G5942513
    Categories Flap Disc
    Description Flap Disc, Abrasive Type Coated, Abrasive Material Zirconia Alumina, Grade Extra Coarse, Backing Plate Material Fiberglass, Connector Size 5/8 In.-11, Connector Type Threaded Hole, Density Rating Standard, Flap Disc Type Type 27, Overall Diameter 4 1/2 in, Series XC1176, Backing Material Fiberglass, Backing Weight X, Grit 36, Maximum Operating Speed 13,300 RPM

    graingerSKU: , mscSKU: , zoro_no: G5942513, mongo_id: 65bbe90822d7a989a992f4f8

    $8.05 / each
    Web price
    Qty
    Flap Disc, Type 27, 4-1/2" dia., 36 Grit
    SKU G5942513
    Categories Flap Disc
    Description Flap Disc, Abrasive Type Coated, Abrasive Material Zirconia Alumina, Grade Extra Coarse, Backing Plate Material Fiberglass, Connector Size 5/8 In.-11, Connector Type Threaded Hole, Density Rating Standard, Flap Disc Type Type 27, Overall Diameter 4 1/2 in, Series XC1176, Backing Material Fiberglass, Backing Weight X, Grit 36, Maximum Operating Speed 13,300 RPM

    graingerSKU: , mscSKU: , zoro_no: G5942513, mongo_id: 65bbe90822d7a989a992f4f8

    $8.05 / each
    Web price
    Qty
  • Flap Disc, Type 27, 4" dia., 40 Grit
    SKU G5941980
    Categories Flap Disc
    Description Flap Disc, Abrasive Type Coated, Abrasive Material Zirconia Alumina, Grade Coarse, Backing Plate Material Fiberglass, Connector Size 5/8 in, Connector Type Unthreaded Hole, Density Rating Standard, Flap Disc Type Type 27, Overall Diameter 4 in, Series XC1176, Backing Material Cloth, Backing Weight X, Grit 40, Maximum Operating Speed 15,300 RPM

    graingerSKU: 447R60, mscSKU: , zoro_no: G5941980, mongo_id: 65bbe81a9a749db822775553

    $3.70 / each
    Web price
    Qty
    Flap Disc, Type 27, 4" dia., 40 Grit
    SKU G5941980
    Categories Flap Disc
    Description Flap Disc, Abrasive Type Coated, Abrasive Material Zirconia Alumina, Grade Coarse, Backing Plate Material Fiberglass, Connector Size 5/8 in, Connector Type Unthreaded Hole, Density Rating Standard, Flap Disc Type Type 27, Overall Diameter 4 in, Series XC1176, Backing Material Cloth, Backing Weight X, Grit 40, Maximum Operating Speed 15,300 RPM

    graingerSKU: 447R60, mscSKU: , zoro_no: G5941980, mongo_id: 65bbe81a9a749db822775553

    $3.70 / each
    Web price
    Qty
  • Flap Disc, Type 27, 4" dia., 120 Grit
    SKU G5937449
    Categories Flap Disc
    Description Flap Disc, Abrasive Type Coated, Abrasive Material Zirconia Alumina, Grade Fine, Backing Plate Material Fiberglass, Connector Size 5/8 in, Connector Type Unthreaded Hole, Density Rating Standard, Flap Disc Type Type 27, Overall Diameter 4 in, Series XC1176, Backing Material Cloth, Backing Weight X, Grit 120, Maximum Operating Speed 15,300 RPM

    graingerSKU: 447R66, mscSKU: , zoro_no: G5937449, mongo_id: 65bbea1022d7a989a9993c3a

    $3.36 / each
    Web price
    Qty
    Flap Disc, Type 27, 4" dia., 120 Grit
    SKU G5937449
    Categories Flap Disc
    Description Flap Disc, Abrasive Type Coated, Abrasive Material Zirconia Alumina, Grade Fine, Backing Plate Material Fiberglass, Connector Size 5/8 in, Connector Type Unthreaded Hole, Density Rating Standard, Flap Disc Type Type 27, Overall Diameter 4 in, Series XC1176, Backing Material Cloth, Backing Weight X, Grit 120, Maximum Operating Speed 15,300 RPM

    graingerSKU: 447R66, mscSKU: , zoro_no: G5937449, mongo_id: 65bbea1022d7a989a9993c3a

    $3.36 / each
    Web price
    Qty
  • Flap Disc, Type 27, 4" dia., 36 Grit
    SKU G5922609
    Categories Flap Disc
    Description Flap Disc, Abrasive Type Coated, Abrasive Material Zirconia Alumina, Grade Extra Coarse, Backing Plate Material Fiberglass, Connector Size 5/8 in, Connector Type Unthreaded Hole, Density Rating Standard, Flap Disc Type Type 27, Overall Diameter 4 in, Series XC1176, Backing Material Cloth, Backing Weight X, Grit 36, Maximum Operating Speed 15,300 RPM

    graingerSKU: 447R67, mscSKU: , zoro_no: G5922609, mongo_id: 65bbe7759a749db82273c034

    $3.14 / each
    Web price
    Qty
    Flap Disc, Type 27, 4" dia., 36 Grit
    SKU G5922609
    Categories Flap Disc
    Description Flap Disc, Abrasive Type Coated, Abrasive Material Zirconia Alumina, Grade Extra Coarse, Backing Plate Material Fiberglass, Connector Size 5/8 in, Connector Type Unthreaded Hole, Density Rating Standard, Flap Disc Type Type 27, Overall Diameter 4 in, Series XC1176, Backing Material Cloth, Backing Weight X, Grit 36, Maximum Operating Speed 15,300 RPM

    graingerSKU: 447R67, mscSKU: , zoro_no: G5922609, mongo_id: 65bbe7759a749db82273c034

    $3.14 / each
    Web price
    Qty
  • Flap Disc, Type 27, 4" dia., 80 Grit
    SKU G5911549
    Categories Flap Disc
    Description Flap Disc, Abrasive Type Coated, Abrasive Material Zirconia Alumina, Grade Medium, Backing Plate Material Fiberglass, Connector Size 5/8 in, Connector Type Unthreaded Hole, Density Rating Standard, Flap Disc Type Type 27, Overall Diameter 4 in, Series XC1176, Backing Material Cloth, Backing Weight X, Grit 80, Maximum Operating Speed 15,300 RPM

    graingerSKU: 447R57, mscSKU: , zoro_no: G5911549, mongo_id: 65bbe7759a749db82273c030

    $3.02 / each
    Web price
    Qty
    Flap Disc, Type 27, 4" dia., 80 Grit
    SKU G5911549
    Categories Flap Disc
    Description Flap Disc, Abrasive Type Coated, Abrasive Material Zirconia Alumina, Grade Medium, Backing Plate Material Fiberglass, Connector Size 5/8 in, Connector Type Unthreaded Hole, Density Rating Standard, Flap Disc Type Type 27, Overall Diameter 4 in, Series XC1176, Backing Material Cloth, Backing Weight X, Grit 80, Maximum Operating Speed 15,300 RPM

    graingerSKU: 447R57, mscSKU: , zoro_no: G5911549, mongo_id: 65bbe7759a749db82273c030

    $3.02 / each
    Web price
    Qty
  • Flap Disc, Type 29, 4" dia., 60 Grit
    SKU G5574961
    Categories Flap Disc
    Description Flap Disc, Abrasive Type Coated, Abrasive Material Zirconia Alumina, Grade Medium, Backing Plate Material Fiberglass, Connector Size 5/8 in, Connector Type Unthreaded Hole, Density Rating Standard, Flap Disc Type Type 29, Overall Diameter 4 in, Series XC1176, Backing Material Fiberglass, Backing Weight X, Grit 60, Maximum Operating Speed 15,300 RPM

    graingerSKU: null, mscSKU: null, zoro_no: G5574961, mongo_id: 65bbe5b83aaddbd5a9fe1265

    $4.68 / each
    Web price
    Qty
    Flap Disc, Type 29, 4" dia., 60 Grit
    SKU G5574961
    Categories Flap Disc
    Description Flap Disc, Abrasive Type Coated, Abrasive Material Zirconia Alumina, Grade Medium, Backing Plate Material Fiberglass, Connector Size 5/8 in, Connector Type Unthreaded Hole, Density Rating Standard, Flap Disc Type Type 29, Overall Diameter 4 in, Series XC1176, Backing Material Fiberglass, Backing Weight X, Grit 60, Maximum Operating Speed 15,300 RPM

    graingerSKU: null, mscSKU: null, zoro_no: G5574961, mongo_id: 65bbe5b83aaddbd5a9fe1265

    $4.68 / each
    Web price
    Qty
  • Flap Disc, Type 27, 4" dia., 60 Grit
    SKU G4570148
    Categories Flap Disc
    Description Flap Disc, Abrasive Type Coated, Abrasive Material Zirconia Alumina, Grade Medium, Backing Plate Material Fiberglass, Connector Size 5/8 in, Connector Type Unthreaded Hole, Density Rating Standard, Flap Disc Type Type 27, Overall Diameter 4 in, Series XC1176, Backing Material Cloth, Backing Weight X, Grit 60, Maximum Operating Speed 15,300 RPM

    graingerSKU: 447R58, mscSKU: , zoro_no: G4570148, mongo_id: 65bbe7a09a749db82274a48b

    $3.25 / each
    Web price
    Qty
    Flap Disc, Type 27, 4" dia., 60 Grit
    SKU G4570148
    Categories Flap Disc
    Description Flap Disc, Abrasive Type Coated, Abrasive Material Zirconia Alumina, Grade Medium, Backing Plate Material Fiberglass, Connector Size 5/8 in, Connector Type Unthreaded Hole, Density Rating Standard, Flap Disc Type Type 27, Overall Diameter 4 in, Series XC1176, Backing Material Cloth, Backing Weight X, Grit 60, Maximum Operating Speed 15,300 RPM

    graingerSKU: 447R58, mscSKU: , zoro_no: G4570148, mongo_id: 65bbe7a09a749db82274a48b

    $3.25 / each
    Web price
    Qty
  • Flap Disc, T29, 7" x 5/8"-11, 80 Grit, PK5, Disc Type: Type 29A
    SKU G5134059
    Categories Flap Disc
    Description Flap Disc,T29,7 In. x 5/8 In.-11,80 Grit,PK5, Package Quantity 5

    graingerSKU: , mscSKU: , zoro_no: G5134059, mongo_id: 65bbe95522d7a989a994c064

    $52.86 / each
    Web price
    Qty
    Flap Disc, T29, 7" x 5/8"-11, 80 Grit, PK5, Disc Type: Type 29A
    SKU G5134059
    Categories Flap Disc
    Description Flap Disc,T29,7 In. x 5/8 In.-11,80 Grit,PK5, Package Quantity 5

    graingerSKU: , mscSKU: , zoro_no: G5134059, mongo_id: 65bbe95522d7a989a994c064

    $52.86 / each
    Web price
    Qty
  • Flap Disc, T29, 7" x 7/8", 80 Grit, PK10
    SKU G5133639
    Categories Flap Disc
    Description Flap Disc,T29,7 In. x 7/8 In.,80 Grit,PK10, Package Quantity 10

    graingerSKU: null, mscSKU: null, zoro_no: G5133639, mongo_id: 65bbe6aa3aaddbd5a9045b52

    $95.44 / each
    Web price
    Qty
    Flap Disc, T29, 7" x 7/8", 80 Grit, PK10
    SKU G5133639
    Categories Flap Disc
    Description Flap Disc,T29,7 In. x 7/8 In.,80 Grit,PK10, Package Quantity 10

    graingerSKU: null, mscSKU: null, zoro_no: G5133639, mongo_id: 65bbe6aa3aaddbd5a9045b52

    $95.44 / each
    Web price
    Qty
  • Flap Disc, T29, 7" x 5/8"-11, 60 Grit, PK5, Disc Type: Type 29A
    SKU G5134022
    Categories Flap Disc
    Description Flap Disc,T29,7 In. x 5/8 In.-11,60 Grit,PK5, Package Quantity 5

    graingerSKU: null, mscSKU: null, zoro_no: G5134022, mongo_id: 65bbe5db3aaddbd5a9fef9ec

    $61.19 / each
    Web price
    Qty
    Flap Disc, T29, 7" x 5/8"-11, 60 Grit, PK5, Disc Type: Type 29A
    SKU G5134022
    Categories Flap Disc
    Description Flap Disc,T29,7 In. x 5/8 In.-11,60 Grit,PK5, Package Quantity 5

    graingerSKU: null, mscSKU: null, zoro_no: G5134022, mongo_id: 65bbe5db3aaddbd5a9fef9ec

    $61.19 / each
    Web price
    Qty
  • Flap Disc, T29, 7" x 7/8", 60 Grit, PK10
    SKU G5133611
    Categories Flap Disc
    Description Flap Disc,T29,7 In. x 7/8 In.,60 Grit,PK10, Package Quantity 10

    graingerSKU: , mscSKU: , zoro_no: G5133611, mongo_id: 65bbe92f22d7a989a993da8b

    $95.49 / each
    Web price
    Qty
    Flap Disc, T29, 7" x 7/8", 60 Grit, PK10
    SKU G5133611
    Categories Flap Disc
    Description Flap Disc,T29,7 In. x 7/8 In.,60 Grit,PK10, Package Quantity 10

    graingerSKU: , mscSKU: , zoro_no: G5133611, mongo_id: 65bbe92f22d7a989a993da8b

    $95.49 / each
    Web price
    Qty
  • Flap Disc, T29, 7" x 5/8"-11, 40 Grit, PK5, Abrasive Material: Zirconia Alumina
    SKU G5134040
    Categories Abrasives & Polishers , Flap Disc
    Description Flap Disc,T29,7 In. x 5/8 In.-11,40 Grit,PK5, Package Quantity 5
    $52.86 / each
    Web price
    Qty
    Flap Disc, T29, 7" x 5/8"-11, 40 Grit, PK5, Abrasive Material: Zirconia Alumina
    SKU G5134040
    Categories Abrasives & Polishers , Flap Disc
    Description Flap Disc,T29,7 In. x 5/8 In.-11,40 Grit,PK5, Package Quantity 5
    $52.86 / each
    Web price
    Qty
  • Flap Disc, T29, 7" x 7/8", 40 Grit, PK10
    SKU G5133620
    Categories Flap Disc
    Description Flap Disc,T29,7 In. x 7/8 In.,40 Grit,PK10, Package Quantity 10

    graingerSKU: null, mscSKU: null, zoro_no: G5133620, mongo_id: 65bbe5fe3aaddbd5a9ffe23e

    $95.44 / each
    Web price
    Qty
    Flap Disc, T29, 7" x 7/8", 40 Grit, PK10
    SKU G5133620
    Categories Flap Disc
    Description Flap Disc,T29,7 In. x 7/8 In.,40 Grit,PK10, Package Quantity 10

    graingerSKU: null, mscSKU: null, zoro_no: G5133620, mongo_id: 65bbe5fe3aaddbd5a9ffe23e

    $95.44 / each
    Web price
    Qty
  • Flap Disc, T29, 6" x 5/8"-11, 80 Grit, PK5
    SKU G5134180
    Categories Flap Disc
    Description Flap Disc,T29,6 In. x 5/8 In.-11,80 Grit,PK5, Package Quantity 5

    graingerSKU: , mscSKU: , zoro_no: G5134180, mongo_id: 65bbe6863aaddbd5a9037624

    $31.11 / each
    Web price
    Qty
    Flap Disc, T29, 6" x 5/8"-11, 80 Grit, PK5
    SKU G5134180
    Categories Flap Disc
    Description Flap Disc,T29,6 In. x 5/8 In.-11,80 Grit,PK5, Package Quantity 5

    graingerSKU: , mscSKU: , zoro_no: G5134180, mongo_id: 65bbe6863aaddbd5a9037624

    $31.11 / each
    Web price
    Qty