Flap Disc

Flap Discs for Blending, Deburring & Surface Finishing

Flap discs are a smart choice when you want controlled removal plus a cleaner finish—often reducing the need to switch between multiple abrasive steps. They’re commonly used for weld blending, edge smoothing, and surface refinement in metalworking and fabrication.

Choose flap discs by grit: coarser for faster blending and cleanup, medium for smoothing, and finer grits for surface improvement and prep.

Best Use Cases

  • Weld blending and cleanup.
  • Edge smoothing and deburring.
  • Surface refinement and finishing steps.

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

Not sure which disc type you need?

Buying for a Business (Recurring Disc Use)?

Need flap discs for ongoing shop work? Contact us for business purchasing support.

FAQS

What are flap discs best used for?

They’re ideal for blending welds, smoothing edges, and refining surfaces while maintaining good control and finish quality.

What grit flap disc should I use for weld blending?

Start with coarser grits for cleanup and blending, then move to medium/finer grits if you need smoother refinement.

Are flap discs good for finishing?

Yes—many users prefer flap discs for controlled finishing steps compared to more aggressive grinding methods.

Flap disc vs grinding wheel: which should I choose?

Use a grinding wheel for heavier removal and tougher cleanup. Use a flap disc when you want controlled blending and better surface finish.

Do you support bulk orders?

Yes—contact us for recurring supply and quantity requests.

Sort by:

  • Flap Disc 80 Grit, 4-1/2" 5/8-11 Center
    SKU 5072699
    Categories Flap Disc
    Description

    Flap Disc 80 Grit, 4-1/2" Disc Diam, 5/8-11 Center Hole, Type 27 Ceramic Flap Disc13,300 Max Rpm, Cloth Backing, Arbor Attaching System, Coated.
    $24.07 / each
    Web price
    Qty
    Flap Disc 80 Grit, 4-1/2" 5/8-11 Center
    SKU 5072699
    Categories Flap Disc
    Description

    Flap Disc 80 Grit, 4-1/2" Disc Diam, 5/8-11 Center Hole, Type 27 Ceramic Flap Disc13,300 Max Rpm, Cloth Backing, Arbor Attaching System, Coated.
    $24.07 / each
    Web price
    Qty
  • Flap Disc M3, 36 Grit, 4-1/2"5/8-11 Center Hole
    SKU 74014507
    Categories Flap Disc
    Description

    Flap Disc M3, 36 Grit, 4-1/2" Disc Diam, 5/8-11 Center Hole, Type 27 Ceramic Flap Disc13,300 Max Rpm, Cloth Backing, Arbor Attaching System, Coated.
    $22.63 / each
    Web price
    Qty
    Flap Disc M3, 36 Grit, 4-1/2"5/8-11 Center Hole
    SKU 74014507
    Categories Flap Disc
    Description

    Flap Disc M3, 36 Grit, 4-1/2" Disc Diam, 5/8-11 Center Hole, Type 27 Ceramic Flap Disc13,300 Max Rpm, Cloth Backing, Arbor Attaching System, Coated.
    $22.63 / each
    Web price
    Qty
  • Flap Disc 80 Grit, 7" 7/8" Center Hole
    SKU 7721228
    Categories Flap Disc
    Description

    Flap Disc, M3 80 Grit, 7" Disc Diam, 7/8" Center Hole, Type 27 Ceramic Flap Disc8,600 Max Rpm, Cloth Backing, Arbor Attaching System, Coated.
    $35.23 / each
    Web price
    Qty
    Flap Disc 80 Grit, 7" 7/8" Center Hole
    SKU 7721228
    Categories Flap Disc
    Description

    Flap Disc, M3 80 Grit, 7" Disc Diam, 7/8" Center Hole, Type 27 Ceramic Flap Disc8,600 Max Rpm, Cloth Backing, Arbor Attaching System, Coated.
    $35.23 / each
    Web price
    Qty
  • Flap Disc, 4.5x5/8-11, MedT29 I/L Flap
    SKU G4111900
    Categories Flap Disc , Flap Wheels
    Description Flap Disc,4.5x5/8-11,MedT29 I/L Flap

    graingerSKU: , mscSKU: , zoro_no: G4111900, mongo_id: 65bbe89c22d7a989a990455f

    $23.61 / each
    Web price
    Qty
    Minimum order: 10
    Flap Disc, 4.5x5/8-11, MedT29 I/L Flap
    SKU G4111900
    Categories Flap Disc , Flap Wheels
    Description Flap Disc,4.5x5/8-11,MedT29 I/L Flap

    graingerSKU: , mscSKU: , zoro_no: G4111900, mongo_id: 65bbe89c22d7a989a990455f

    $23.61 / each
    Web price
    Qty
    Minimum order: 10
  • Flap Disc, 4.5x5/8-11, CRS T29 I/L Flap
    SKU G4112092
    Categories Flap Disc , Flap Wheels
    Description Flap Disc,4.5x5/8-11,CRS T29 I/L Flap

    graingerSKU: , mscSKU: , zoro_no: G4112092, mongo_id: 65bbe97a22d7a989a995a655

    $24.86 / each
    Web price
    Qty
    Minimum order: 10
    Flap Disc, 4.5x5/8-11, CRS T29 I/L Flap
    SKU G4112092
    Categories Flap Disc , Flap Wheels
    Description Flap Disc,4.5x5/8-11,CRS T29 I/L Flap

    graingerSKU: , mscSKU: , zoro_no: G4112092, mongo_id: 65bbe97a22d7a989a995a655

    $24.86 / each
    Web price
    Qty
    Minimum order: 10
  • Flap Disc 80 Grit, 4" 3/8-24 Center Hole
    SKU 39180914
    Categories Flap Disc
    Description

    Flap Disc 80 Grit, 4" Disc Diam, 3/8-24 Center Hole, Type 29 Ceramic Flap Disc15,000 Max Rpm, Cloth Backing, Arbor Attaching System, Coated.
    $13.55 / each
    Web price
    Qty
    Flap Disc 80 Grit, 4" 3/8-24 Center Hole
    SKU 39180914
    Categories Flap Disc
    Description

    Flap Disc 80 Grit, 4" Disc Diam, 3/8-24 Center Hole, Type 29 Ceramic Flap Disc15,000 Max Rpm, Cloth Backing, Arbor Attaching System, Coated.
    $13.55 / each
    Web price
    Qty
  • Flap Disc 60 Grit 7" 7/8" Center Hole Type 27
    SKU 52673548
    Categories Flap Disc
    Description

    Flap Disc 60 Grit 7" Diam 7/8" Center Hole Type 27 Ceramic Flap Disc13,300 Max Rpm, Arbor Attaching System, Coated, Medium Grade.
    $19.28 / each
    Web price
    Qty
    Flap Disc 60 Grit 7" 7/8" Center Hole Type 27
    SKU 52673548
    Categories Flap Disc
    Description

    Flap Disc 60 Grit 7" Diam 7/8" Center Hole Type 27 Ceramic Flap Disc13,300 Max Rpm, Arbor Attaching System, Coated, Medium Grade.
    $19.28 / each
    Web price
    Qty
  • Flap Disc 80 Grit, 4"5/8" Center Hole
    SKU 92266782
    Categories Flap Disc
    Description

    Flap Disc 80 Grit, 4" Disc Diam, 5/8" Center Hole, Type 29 Zirconia Alumina Flap Disc13,300 Max Rpm, Cloth Backing, Arbor Attaching System, Coated.
    $15.60 / each
    Web price
    Qty
    Flap Disc 80 Grit, 4"5/8" Center Hole
    SKU 92266782
    Categories Flap Disc
    Description

    Flap Disc 80 Grit, 4" Disc Diam, 5/8" Center Hole, Type 29 Zirconia Alumina Flap Disc13,300 Max Rpm, Cloth Backing, Arbor Attaching System, Coated.
    $15.60 / each
    Web price
    Qty
  • Flap Disc 60 Grit, 4" 5/8" Center Hole
    SKU 30651988
    Categories Flap Disc
    Description

    Flap Disc 60 Grit, 4" Disc Diam, 5/8" Center Hole, Type 29 Zirconia Alumina Flap Disc13,300 Max Rpm, Cloth Backing, Arbor Attaching System, Coated.
    $15.60 / each
    Web price
    Qty
    Flap Disc 60 Grit, 4" 5/8" Center Hole
    SKU 30651988
    Categories Flap Disc
    Description

    Flap Disc 60 Grit, 4" Disc Diam, 5/8" Center Hole, Type 29 Zirconia Alumina Flap Disc13,300 Max Rpm, Cloth Backing, Arbor Attaching System, Coated.
    $15.60 / each
    Web price
    Qty
  • Flap Disc 60 Grit, 4" 3/8-24 Center Hole
    SKU 30652028
    Categories Flap Disc
    Description

    Flap Disc 60 Grit, 4" Disc Diam, 3/8-24 Center Hole, Type 29 Zirconia Alumina Flap Disc13,300 Max Rpm, Cloth Backing, Arbor Attaching System, Coated.
    $14.41 / each
    Web price
    Qty
    Flap Disc 60 Grit, 4" 3/8-24 Center Hole
    SKU 30652028
    Categories Flap Disc
    Description

    Flap Disc 60 Grit, 4" Disc Diam, 3/8-24 Center Hole, Type 29 Zirconia Alumina Flap Disc13,300 Max Rpm, Cloth Backing, Arbor Attaching System, Coated.
    $14.41 / each
    Web price
    Qty
  • Flap Disc 60 Grit 4-1/2" Type 27
    SKU 72824899
    Categories Flap Disc
    Description

    Flap Disc 60 Grit 4-1/2" Diam Type 27 Flap Disccloth Backing, Arbor Attaching System, Medium Grade.
    $12.74 / each
    Web price
    Qty
    Flap Disc 60 Grit 4-1/2" Type 27
    SKU 72824899
    Categories Flap Disc
    Description

    Flap Disc 60 Grit 4-1/2" Diam Type 27 Flap Disccloth Backing, Arbor Attaching System, Medium Grade.
    $12.74 / each
    Web price
    Qty
  • Flap Disc 40 Grit, 7" 7/8" Center Hole
    SKU 71370159
    Categories Flap Disc
    Description

    Flap Disc 40 Grit, 7" Disc Diam, 7/8" Center Hole, Type 29 Zirconia Alumina Flap Disc8,600 Max Rpm, Cloth Backing, Arbor Attaching System, Coated.
    $41.44 / each
    Web price
    Qty
    Flap Disc 40 Grit, 7" 7/8" Center Hole
    SKU 71370159
    Categories Flap Disc
    Description

    Flap Disc 40 Grit, 7" Disc Diam, 7/8" Center Hole, Type 29 Zirconia Alumina Flap Disc8,600 Max Rpm, Cloth Backing, Arbor Attaching System, Coated.
    $41.44 / each
    Web price
    Qty
  • Flap Disc 60 Grit, 4-1/2" 7/8 Center Hole
    SKU 71370092
    Categories Flap Disc
    Description

    Flap Disc 60 Grit, 4-1/2" Disc Diam, 7/8" Center Hole, Type 29 Zirconia Alumina Flap Disc13,300 Max Rpm, Cloth Backing, Arbor Attaching System, Coated.
    $19.80 / each
    Web price
    Qty
    Flap Disc 60 Grit, 4-1/2" 7/8 Center Hole
    SKU 71370092
    Categories Flap Disc
    Description

    Flap Disc 60 Grit, 4-1/2" Disc Diam, 7/8" Center Hole, Type 29 Zirconia Alumina Flap Disc13,300 Max Rpm, Cloth Backing, Arbor Attaching System, Coated.
    $19.80 / each
    Web price
    Qty
  • Flap Disc 60 Grit, 5" 7/8" Center Hole
    SKU 39181003
    Categories Flap Disc
    Description

    Flap Disc 60 Grit, 5" Disc Diam, 7/8" Center Hole, Type 27 Ceramic Flap Disc12,000 Max Rpm, Cloth Backing, Arbor Attaching System, Coated.
    $20.82 / each
    Web price
    Qty
    Flap Disc 60 Grit, 5" 7/8" Center Hole
    SKU 39181003
    Categories Flap Disc
    Description

    Flap Disc 60 Grit, 5" Disc Diam, 7/8" Center Hole, Type 27 Ceramic Flap Disc12,000 Max Rpm, Cloth Backing, Arbor Attaching System, Coated.
    $20.82 / each
    Web price
    Qty
  • Flap Disc 60 Grit 7" 5/8-11 Center Hole Type 29
    SKU 79110243
    Categories Flap Disc
    Description

    Flap Disc 60 Grit 7" Diam 5/8-11 Center Hole Type 29 Zirconia Alumina Flap Disccloth Backing, Arbor Attaching System, Coated, Medium Grade.
    $39.43 / each
    Web price
    Qty
    Flap Disc 60 Grit 7" 5/8-11 Center Hole Type 29
    SKU 79110243
    Categories Flap Disc
    Description

    Flap Disc 60 Grit 7" Diam 5/8-11 Center Hole Type 29 Zirconia Alumina Flap Disccloth Backing, Arbor Attaching System, Coated, Medium Grade.
    $39.43 / each
    Web price
    Qty
  • Flap Disc 80 Grit 4-1/2" 7/8" Center HolE
    SKU 79110151
    Categories Flap Disc
    Description

    Flap Disc 80 Grit 4-1/2" Diam 7/8" Center Hole Type 29 Zirconia Alumina Flap Disccloth Backing, Arbor Attaching System, Coated, Medium Grade.
    $18.26 / each
    Web price
    Qty
    Flap Disc 80 Grit 4-1/2" 7/8" Center HolE
    SKU 79110151
    Categories Flap Disc
    Description

    Flap Disc 80 Grit 4-1/2" Diam 7/8" Center Hole Type 29 Zirconia Alumina Flap Disccloth Backing, Arbor Attaching System, Coated, Medium Grade.
    $18.26 / each
    Web price
    Qty