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?
- For fast swaps and spot work: Quick Change Discs.
- For PSA sanding workflows: Adhesive Discs.
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.
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Flap Disc 40 Grit, 4-1/2" 7/8 Center Hole
SKU 79110136Categories Flap DiscDescriptionFlap Disc 40 Grit, 4-1/2" Disc Diam, 7/8 Center Hole, Type 29 Zirconia Alumina Flap Disccloth Backing, Arbor Attaching System, Coated.
$18.26 / eachWeb price
Flap Disc 40 Grit, 4-1/2" 7/8 Center HoleSKU 79110136Categories Flap DiscDescriptionFlap Disc 40 Grit, 4-1/2" Disc Diam, 7/8 Center Hole, Type 29 Zirconia Alumina Flap Disccloth Backing, Arbor Attaching System, Coated.
$18.26 / eachWeb price -
Flap Disc 36 Grit 4-1/2" 7/8 Center Hole
SKU 79110128Categories Flap DiscDescriptionFlap Disc 36 Grit 4-1/2" Diam 7/8" Center Hole Type 29 Zirconia Alumina Flap Disccloth Backing, Arbor Attaching System, Coated, Very Coarse Grade.
$18.26 / eachWeb price
Flap Disc 36 Grit 4-1/2" 7/8 Center HoleSKU 79110128Categories Flap DiscDescriptionFlap Disc 36 Grit 4-1/2" Diam 7/8" Center Hole Type 29 Zirconia Alumina Flap Disccloth Backing, Arbor Attaching System, Coated, Very Coarse Grade.
$18.26 / eachWeb price -
Flap Disc 36 Grit 4-1/2" 5/8-11 Center Hole
SKU 79110060Categories Flap DiscDescriptionFlap Disc 36 Grit 4-1/2" Diam 5/8-11 Center Hole Type 29 Zirconia Alumina Flap Disccloth Backing, Arbor Attaching System, Coated, Very Coarse Grade.
$23.99 / eachWeb price
Flap Disc 36 Grit 4-1/2" 5/8-11 Center HoleSKU 79110060Categories Flap DiscDescriptionFlap Disc 36 Grit 4-1/2" Diam 5/8-11 Center Hole Type 29 Zirconia Alumina Flap Disccloth Backing, Arbor Attaching System, Coated, Very Coarse Grade.
$23.99 / eachWeb price -
Flap Disc 4-1/2" 7/8" Hole Coated Ceramic
SKU 7721251Categories Flap DiscDescriptionFlap Disc 4-1/2" Diam X 7/8" Hole Coated Ceramic Flap Disc50 Grit, Type 27, 13,300 Max Rpm, Coarse Grade.
$18.98 / eachWeb price
Flap Disc 4-1/2" 7/8" Hole Coated CeramicSKU 7721251Categories Flap DiscDescriptionFlap Disc 4-1/2" Diam X 7/8" Hole Coated Ceramic Flap Disc50 Grit, Type 27, 13,300 Max Rpm, Coarse Grade.
$18.98 / eachWeb price -
Flap Disc 36 Grit 7" 7/8" Center Hole
SKU 7721194Categories Flap DiscDescriptionFlap Disc 36 Grit 7" Diam 7/8" Center Hole Type 27 Ceramic Flap Disc8,600 Max Rpm, Arbor Attaching System, Coated, Very Coarse Grade.
$35.23 / eachWeb price
Flap Disc 36 Grit 7" 7/8" Center HoleSKU 7721194Categories Flap DiscDescriptionFlap Disc 36 Grit 7" Diam 7/8" Center Hole Type 27 Ceramic Flap Disc8,600 Max Rpm, Arbor Attaching System, Coated, Very Coarse Grade.
$35.23 / eachWeb price -
Grinding/Polishing Flap Disc, 7", 80G
SKU G7557195Categories Flap DiscDescription Grinding/Polishing Flap Disc,7 In.,80GgraingerSKU: null, mscSKU: null, zoro_no: G7557195, mongo_id: 65bbe5db3aaddbd5a9fef948
$17.46 / eachWeb price
Grinding/Polishing Flap Disc, 7", 80GSKU G7557195Categories Flap DiscDescription Grinding/Polishing Flap Disc,7 In.,80GgraingerSKU: null, mscSKU: null, zoro_no: G7557195, mongo_id: 65bbe5db3aaddbd5a9fef948
$17.46 / eachWeb price -
Grinding/Polishing Flap Disc, 7", 60G
SKU G7557159Categories Flap DiscDescription Grinding/Polishing Flap Disc,7 In.,60GgraingerSKU: 59KE06, mscSKU: , zoro_no: G7557159, mongo_id: 65bbe9ec22d7a989a998588c
$17.46 / eachWeb price
Grinding/Polishing Flap Disc, 7", 60GSKU G7557159Categories Flap DiscDescription Grinding/Polishing Flap Disc,7 In.,60GgraingerSKU: 59KE06, mscSKU: , zoro_no: G7557159, mongo_id: 65bbe9ec22d7a989a998588c
$17.46 / eachWeb price -
Grinding/Polishing Flap Disc, 7", 40G
SKU G7557131Categories Flap DiscDescription Grinding/Polishing Flap Disc,7 In.,40GgraingerSKU: null, mscSKU: null, zoro_no: G7557131, mongo_id: 65bbe5fe3aaddbd5a9ffe1a0
$17.86 / eachWeb price
Grinding/Polishing Flap Disc, 7", 40GSKU G7557131Categories Flap DiscDescription Grinding/Polishing Flap Disc,7 In.,40GgraingerSKU: null, mscSKU: null, zoro_no: G7557131, mongo_id: 65bbe5fe3aaddbd5a9ffe1a0
$17.86 / eachWeb price -
Grinding/Polishing Flap Disc, 4-1/2", 80G
SKU G7557168Categories Flap DiscDescription Grinding/Polishing Flap Disc,4-1/2 In.,80GgraingerSKU: 59KE04, mscSKU: 95351326, zoro_no: G7557168, mongo_id: 65bbe8e222d7a989a99210a8
$11.44 / eachWeb price
Grinding/Polishing Flap Disc, 4-1/2", 80GSKU G7557168Categories Flap DiscDescription Grinding/Polishing Flap Disc,4-1/2 In.,80GgraingerSKU: 59KE04, mscSKU: 95351326, zoro_no: G7557168, mongo_id: 65bbe8e222d7a989a99210a8
$11.44 / eachWeb price -
Grinding/Polishing Flap Disc, 4-1/2", 60G
SKU G7557116Categories Flap DiscDescription Grinding/Polishing Flap Disc,4-1/2 In.,60GgraingerSKU: 59KE03, mscSKU: 16970212, zoro_no: G7557116, mongo_id: 65bbe74b9a749db82272db88
$11.44 / eachWeb price
Grinding/Polishing Flap Disc, 4-1/2", 60GSKU G7557116Categories Flap DiscDescription Grinding/Polishing Flap Disc,4-1/2 In.,60GgraingerSKU: 59KE03, mscSKU: 16970212, zoro_no: G7557116, mongo_id: 65bbe74b9a749db82272db88
$11.44 / eachWeb price -
Grinding/Polishing Flap Disc, 4-1/2", 40G
SKU G7557125Categories Flap DiscDescription Grinding/Polishing Flap Disc,4-1/2 In.,40GgraingerSKU: 59KE02, mscSKU: , zoro_no: G7557125, mongo_id: 65bbe90822d7a989a992f51e
$11.44 / eachWeb price
Grinding/Polishing Flap Disc, 4-1/2", 40GSKU G7557125Categories Flap DiscDescription Grinding/Polishing Flap Disc,4-1/2 In.,40GgraingerSKU: 59KE02, mscSKU: , zoro_no: G7557125, mongo_id: 65bbe90822d7a989a992f51e
$11.44 / eachWeb price -
Grinding/Polishing Flap Disc, 4.5", 40G
SKU G7556860Categories Flap DiscDescription Grinding/Polishing Flap Disc,4.5 In.,40GgraingerSKU: 59KD85, mscSKU: , zoro_no: G7556860, mongo_id: 65bbe84622d7a989a98e7a9b
$23.74 / eachWeb price
Grinding/Polishing Flap Disc, 4.5", 40GSKU G7556860Categories Flap DiscDescription Grinding/Polishing Flap Disc,4.5 In.,40GgraingerSKU: 59KD85, mscSKU: , zoro_no: G7556860, mongo_id: 65bbe84622d7a989a98e7a9b
$23.74 / eachWeb price -
7" x 5/8"-11 T29 - Angle Face PREDATOR Fiberglass Flap Disc, 80 Grit
SKU G9686677Categories Flap DiscDescription Flap Disc, Abrasive Type Coated, Abrasive Material Ceramic, Grade Medium, Backing Plate Material Fiberglass, Connector Size 5/8 In.-11, Connector Type Threaded Hole, Density Rating Standard, Flap Disc Type Type 29, Overall Diameter 7 in, Series Predator AF, Backing Material Polyester, Backing Weight Y, Coating Coverage Closed, Grit 80, Maximum Operating Speed 8,600 RPM, Color YellowgraingerSKU: 30MT71, mscSKU: , zoro_no: G9686677, mongo_id: 65bbe6643aaddbd5a9029158
$18.99 / eachWeb price
7" x 5/8"-11 T29 - Angle Face PREDATOR Fiberglass Flap Disc, 80 GritSKU G9686677Categories Flap DiscDescription Flap Disc, Abrasive Type Coated, Abrasive Material Ceramic, Grade Medium, Backing Plate Material Fiberglass, Connector Size 5/8 In.-11, Connector Type Threaded Hole, Density Rating Standard, Flap Disc Type Type 29, Overall Diameter 7 in, Series Predator AF, Backing Material Polyester, Backing Weight Y, Coating Coverage Closed, Grit 80, Maximum Operating Speed 8,600 RPM, Color YellowgraingerSKU: 30MT71, mscSKU: , zoro_no: G9686677, mongo_id: 65bbe6643aaddbd5a9029158
$18.99 / eachWeb price -
3m, Flap Disccloth Backing, Arbor Attaching
SKU 53073482Categories Flap DiscDescriptionFlap Disccloth Backing, Arbor Attaching System.
$13.39 / eachWeb price
3m, Flap Disccloth Backing, Arbor AttachingSKU 53073482Categories Flap DiscDescriptionFlap Disccloth Backing, Arbor Attaching System.
$13.39 / eachWeb price -
3M, Flap Disccloth Backing, Arbor Attaching
SKU 91431338Categories Flap DiscDescriptionFlap Disccloth Backing, Arbor Attaching System.
$10.23 / eachWeb price
3M, Flap Disccloth Backing, Arbor AttachingSKU 91431338Categories Flap DiscDescriptionFlap Disccloth Backing, Arbor Attaching System.
$10.23 / eachWeb price -
3M, Flap Discpolyester Backing, Arbor Attachng System
SKU 40840266Categories Flap DiscDescriptionFlap Discpolyester Backing, Arbor Attaching System.
$15.05 / eachWeb price
3M, Flap Discpolyester Backing, Arbor Attachng SystemSKU 40840266Categories Flap DiscDescriptionFlap Discpolyester Backing, Arbor Attaching System.
$15.05 / eachWeb price