Translation missing: en.sections.collection_template.title: 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, T27A, 4.5" x 7/8", 40 Grit, PK10, Disc Dia.: 4-1/2"
    SKU G5133672
    Categories Flap Disc
    Description Flap Disc,T27A,4.5 In. x 7/8 In.,40 Grit,PK10, Package Quantity 10

    graingerSKU: null, mscSKU: null, zoro_no: G5133672, mongo_id: 65bbe6aa3aaddbd5a9045b53

    $49.36 / each
    Web price
    Flap Disc, T27A, 4.5" x 7/8", 40 Grit, PK10, Disc Dia.: 4-1/2"
    SKU G5133672
    Categories Flap Disc
    Description Flap Disc,T27A,4.5 In. x 7/8 In.,40 Grit,PK10, Package Quantity 10

    graingerSKU: null, mscSKU: null, zoro_no: G5133672, mongo_id: 65bbe6aa3aaddbd5a9045b53

  • Flap Disc, T27N, 4.5"x5/8"-11, 80 Grit, PK5
    SKU G5134031
    Categories Flap Disc
    Description Flap Disc,T27N,4.5 In.x5/8 In.-11,80 Grit,PK10, Package Quantity 10

    graingerSKU: , mscSKU: , zoro_no: G5134031, mongo_id: 65bbe8c222d7a989a9912a76

    $67.49 / each
    Web price
    Flap Disc, T27N, 4.5"x5/8"-11, 80 Grit, PK5
    SKU G5134031
    Categories Flap Disc
    Description Flap Disc,T27N,4.5 In.x5/8 In.-11,80 Grit,PK10, Package Quantity 10

    graingerSKU: , mscSKU: , zoro_no: G5134031, mongo_id: 65bbe8c222d7a989a9912a76

  • Flap Disc, T27N, 4.5"x5/8"-11, 60 Grit, PK5, Abrasive Material: Zirconia Alumina
    SKU G5134013
    Categories Abrasives & Polishers , Flap Disc
    Description Flap Disc,T27N,4.5 In.x5/8 In.-11,60 Grit,PK5, Package Quantity 5

    graingerSKU: , mscSKU: , zoro_no: G5134013, mongo_id: 65bbe84622d7a989a98e7b3b

    $33.94 / each
    Web price
    Flap Disc, T27N, 4.5"x5/8"-11, 60 Grit, PK5, Abrasive Material: Zirconia Alumina
    SKU G5134013
    Categories Abrasives & Polishers , Flap Disc
    Description Flap Disc,T27N,4.5 In.x5/8 In.-11,60 Grit,PK5, Package Quantity 5

    graingerSKU: , mscSKU: , zoro_no: G5134013, mongo_id: 65bbe84622d7a989a98e7b3b

  • Flap Disc, T27N, 4.5"x5/8"-11, 40 Grit, PK5, Abrasive Material: Zirconia Alumina
    SKU G5133937
    Categories Abrasives & Polishers , Flap Disc
    Description Flap Disc,T27N,4.5 In.x5/8 In.-11,40 Grit,PK5, Package Quantity 5
    $33.94 / each
    Web price
    Flap Disc, T27N, 4.5"x5/8"-11, 40 Grit, PK5, Abrasive Material: Zirconia Alumina
    SKU G5133937
    Categories Abrasives & Polishers , Flap Disc
    Description Flap Disc,T27N,4.5 In.x5/8 In.-11,40 Grit,PK5, Package Quantity 5
  • Flap Disc, 7x7/8, T29, C3, Cer, 40G
    SKU G4118620
    Categories Flap Disc , Flap Wheel
    Description Flap Disc,7x7/8,T29,C3,Cer,40G

    graingerSKU: , mscSKU: , zoro_no: G4118620, mongo_id: 65bbe8729a749db8227922b8

    $17.24 / each
    Web price
    Flap Disc, 7x7/8, T29, C3, Cer, 40G
    SKU G4118620
    Categories Flap Disc , Flap Wheel
    Description Flap Disc,7x7/8,T29,C3,Cer,40G

    graingerSKU: , mscSKU: , zoro_no: G4118620, mongo_id: 65bbe8729a749db8227922b8

  • Flap Disc, 7x7/8, T29, C3, Cer, 36G
    SKU G4118891
    Categories Flap Disc , Flap Wheel
    Description Flap Disc,7x7/8,T29,C3,Cer,36G

    graingerSKU: , mscSKU: , zoro_no: G4118891, mongo_id: 65bbe8c222d7a989a9912a34

    $17.24 / each
    Web price
    Flap Disc, 7x7/8, T29, C3, Cer, 36G
    SKU G4118891
    Categories Flap Disc , Flap Wheel
    Description Flap Disc,7x7/8,T29,C3,Cer,36G

    graingerSKU: , mscSKU: , zoro_no: G4118891, mongo_id: 65bbe8c222d7a989a9912a34

  • Flap Disc, 7x7/8, T29, Z3, XL, 80G
    SKU G4118088
    Categories Flap Disc , Flap Wheel
    Description Flap Disc,7x7/8,T29,Z3,XL,80G
    $14.44 / each
    Web price
    Flap Disc, 7x7/8, T29, Z3, XL, 80G
    SKU G4118088
    Categories Flap Disc , Flap Wheel
    Description Flap Disc,7x7/8,T29,Z3,XL,80G
  • Flap Disc, 7x7/8, T29, Z3, XL, 60G
    SKU G4118060
    Categories Flap Disc , Flap Wheel
    Description Flap Disc,7x7/8,T29,Z3,XL,60G

    graingerSKU: , mscSKU: , zoro_no: G4118060, mongo_id: 65bbe87122d7a989a98f607b

    $14.11 / each
    Web price
    Flap Disc, 7x7/8, T29, Z3, XL, 60G
    SKU G4118060
    Categories Flap Disc , Flap Wheel
    Description Flap Disc,7x7/8,T29,Z3,XL,60G

    graingerSKU: , mscSKU: , zoro_no: G4118060, mongo_id: 65bbe87122d7a989a98f607b

  • Flap Disc, 7x7/8, T29, Z3, XL, 40G
    SKU G4118042
    Categories Flap Disc , Flap Wheel
    Description Flap Disc,7x7/8,T29,Z3,XL,40G

    graingerSKU: , mscSKU: 56440167, zoro_no: G4118042, mongo_id: 65bbe7769a749db82273c0b9

    $13.24 / each
    Web price
    Flap Disc, 7x7/8, T29, Z3, XL, 40G
    SKU G4118042
    Categories Flap Disc , Flap Wheel
    Description Flap Disc,7x7/8,T29,Z3,XL,40G

    graingerSKU: , mscSKU: 56440167, zoro_no: G4118042, mongo_id: 65bbe7769a749db82273c0b9

  • Flap Disc, 7x7/8, T29, Z3, Reg, 80G
    SKU G4118112
    Categories Flap Disc , Flap Wheel
    Description Flap Disc,7x7/8,T29,Z3,Reg,80G

    graingerSKU: , mscSKU: , zoro_no: G4118112, mongo_id: 65bbe6203aaddbd5a900c70d

    $14.74 / each
    Web price
    Flap Disc, 7x7/8, T29, Z3, Reg, 80G
    SKU G4118112
    Categories Flap Disc , Flap Wheel
    Description Flap Disc,7x7/8,T29,Z3,Reg,80G

    graingerSKU: , mscSKU: , zoro_no: G4118112, mongo_id: 65bbe6203aaddbd5a900c70d

  • Flap Disc, 7x7/8, T29, Z3, Reg, 60G
    SKU G4118121
    Categories Flap Disc , Flap Wheel
    Description Flap Disc,7x7/8,T29,Z3,Reg,60G

    graingerSKU: null, mscSKU: null, zoro_no: G4118121, mongo_id: 65bbe5fe3aaddbd5a9ffe20f

    $11.49 / each
    Web price
    Flap Disc, 7x7/8, T29, Z3, Reg, 60G
    SKU G4118121
    Categories Flap Disc , Flap Wheel
    Description Flap Disc,7x7/8,T29,Z3,Reg,60G

    graingerSKU: null, mscSKU: null, zoro_no: G4118121, mongo_id: 65bbe5fe3aaddbd5a9ffe20f

  • Flap Disc, 7x7/8, T29, Z3, Reg, 40G
    SKU G4118051
    Categories Flap Disc , Flap Wheel
    Description Flap Disc,7x7/8,T29,Z3,Reg,40G

    graingerSKU: , mscSKU: 56451594, zoro_no: G4118051, mongo_id: 65bbe8e222d7a989a9921104

    $10.74 / each
    Web price
    Flap Disc, 7x7/8, T29, Z3, Reg, 40G
    SKU G4118051
    Categories Flap Disc , Flap Wheel
    Description Flap Disc,7x7/8,T29,Z3,Reg,40G

    graingerSKU: , mscSKU: 56451594, zoro_no: G4118051, mongo_id: 65bbe8e222d7a989a9921104

  • Flap Disc, 7x7/8, T29, Z3, Reg, 36G
    SKU G4118079
    Categories Flap Disc , Flap Wheel
    Description Flap Disc,7x7/8,T29,Z3,Reg,36G

    graingerSKU: , mscSKU: 56451586, zoro_no: G4118079, mongo_id: 65bbe7ca9a749db822758bbc

    $10.74 / each
    Web price
    Flap Disc, 7x7/8, T29, Z3, Reg, 36G
    SKU G4118079
    Categories Flap Disc , Flap Wheel
    Description Flap Disc,7x7/8,T29,Z3,Reg,36G

    graingerSKU: , mscSKU: 56451586, zoro_no: G4118079, mongo_id: 65bbe7ca9a749db822758bbc

  • Flap Disc, 7x7/8, T29, SC, 60G
    SKU G4118033
    Categories Flap Disc , Flap Wheel
    Description Flap Disc,7x7/8,T29,SC,60G

    graingerSKU: , mscSKU: , zoro_no: G4118033, mongo_id: 65bbe5953aaddbd5a9fd2de0

    $8.24 / each
    Web price
    Flap Disc, 7x7/8, T29, SC, 60G
    SKU G4118033
    Categories Flap Disc , Flap Wheel
    Description Flap Disc,7x7/8,T29,SC,60G

    graingerSKU: , mscSKU: , zoro_no: G4118033, mongo_id: 65bbe5953aaddbd5a9fd2de0

  • Flap Disc, 7x7/8, T29, SC, 36G
    SKU G4118027
    Categories Flap Disc , Flap Wheel
    Description Flap Disc,7x7/8,T29,SC,36G
    $8.24 / each
    Web price
    Flap Disc, 7x7/8, T29, SC, 36G
    SKU G4118027
    Categories Flap Disc , Flap Wheel
    Description Flap Disc,7x7/8,T29,SC,36G
  • Flap Disc, 7x7/8, T29, SC, 24G
    SKU G4118009
    Categories Flap Disc , Flap Wheel
    Description Flap Disc,7x7/8,T29,SC,24G

    graingerSKU: null, mscSKU: null, zoro_no: G4118009, mongo_id: 65bbe5fe3aaddbd5a9ffe202

    $7.81 / each
    Web price
    Flap Disc, 7x7/8, T29, SC, 24G
    SKU G4118009
    Categories Flap Disc , Flap Wheel
    Description Flap Disc,7x7/8,T29,SC,24G

    graingerSKU: null, mscSKU: null, zoro_no: G4118009, mongo_id: 65bbe5fe3aaddbd5a9ffe202