Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service levels, popularity trends, and more. The rankings reflect our opinion and should be a good starting point for shopping. By purchasing the products we rank, you’ll get the lowest price we found while we may receive a commission at no cost to you, which will help us continue to provide you with value.
Advertising Disclosure
Flap Discs of 2025
Explore top picks
-
How do we rank?
Powerful technology We scan thousands of products and stores, analyzing reviews to find what matters most to users like youCareful review Our team ensures quality, value, and fit based on real user feedbackTrusted insights AI and human analysis guide your decisions, reflecting real user prioritiesReal users impactThousands of users trust our site daily
Based on millions of stores and reviews
Shoppers influence our rankings
Analyzing top stores
3
S SATCS SATC 20PCS Flap Discs 4 1/2 for Angle Grinder 40/60/80/120 Grit Flap Disc High-Density Bevel Type Angle Grinder Sanding Disc Abrasive Flap Disk #29
Main highlights-
Key Features and Benefits
-
Ideal Use Cases
-
Customer Reviews Highlight
-
4
Benchmark AbrasivesBenchmark Abrasives 4.5" x 7/8" Premium High Density Jumbo Zirconia Type 29 Flap Discs 4 1/2 for Angle Grinder, Sanding Discs, Finishing - Grinding Wheels 4 1/2 Inch (10 Pack) - 40 Grit
Main highlights-
Key Features and Benefits
-
Ideal Use Cases
-
Customer Reviews Highlight
-
5
MinCHI257Flap Discs 40 PCS 4.5 Inch - 40 60 80 120 Grit Grinding Discs 4 1/2 Assorted Sanding Grinding Wheels,Aluminum Oxide Abrasives,Grinder disc
Main highlights-
Key Features
-
Ideal Use Cases
-
Customer Praise
-
-
See Today’s Deals & Prices
6
WORKPROWORKPRO 20-Pack Flap Discs, 4-1/2-inch, Arbor Size 7/8-inch, T29 Zirconia Abrasive Grinding Wheel and Flap Sanding Disc, Includes 40/60/80/120 Grits
Main highlights-
Complete Flap Disc Set for Various Applications
-
Versatile Use with Angle Grinders
-
Durability and Longevity Praised by Users
-
7
SHALLSHALL 24-Pack Flap Disc, 4-1/2" x 7/8", Zirconia Grinding Wheel 40/60/80/120 Grit T29 & 40 Grit T27 Angle Grinder Abrasive Sanding Disc with Etched Grit Number Indication, 80pcs Emery Cloth Per Disc
Main highlights-
Key Features and Benefits
-
Ideal Use Cases
-
Customer Reviews Highlight
-
9
EZARCEZARC Flap Discs 40 Grit, 4-1/2" x 7/8" Ceramic Grain Flap Sanding Disc, Type 27 Heavy Duty Abrasive Trimmable Grinding Wheel Finishing for Stainless Steel, Sheet Metal (5 Pack)
Main highlights-
Superior Durability and Efficiency
-
Versatile Applications
-
User-Friendly Installation
-
10
MinCHI257Flap Discs 40 PCS 4.5 Inch - 40 Grit Grinding Discs 4 1/2 Assorted Sanding Grinding Wheels,Aluminum Oxide Abrasives,Grinder disc
Main highlights-
Key Features and Benefits
-
Ideal Use Cases
-
Customer Reviews Highlight
-
Similar products on Amazon
- Free Shipping
Neiko 11142A Premium Zirconia Flap Disc | 4.5" x 7/8-Inch, 40 Grit, Bevel Type #29 - 10 Pack
PREMIUM QUALITY: These angled flap discs, also known as cut off wheels 4 1/2 inch, are constructed with industrial grade premium zirconia abrasive for strength, durability, and extended disc life as it holds up to high temperatures and pressure.$19.99
$20.99 - Free Shipping
EZARC Flap Discs 40 Grit, 4 1/2 x 7/8-Inch Flap Sanding Disc, Type 29 Zirconia Grinding Wheel for Stainless Steel, Sheet Metal (10 Pack)
【Great Performance】EZARC flap sanding discs are made of hard zirconia material which lasts longer than standard aluminum oxide abrasive material, built for a more robust and economical grinding wheel$19.54
- Free Shipping
PRVEW Flap Discs 4 1/2 Inch, 5-Pack 4.5" x 7/8" T29 Premium Zirconia Abrasive Grinding Wheels, 40/60/80/120 Assorted Grits Flap Sanding Disc for Metal,Stainless Steel
[Various Grit Flap Discs]: Including 4-1 2 inch Flap discs with 40/60/80/120 4 different grits. This angle grinder flap disc set contains 2 x 40 grit, 1 x 60 grit, 1x 80 grit, 1 x120 grit. This sanding discs set is a great choice for grinding various metals, perfectly meets all you need.$11.95
- 50% OffFree Shipping
20 Pcs Flap Discs 4 1/2 for Angle Grinder, 4.5" x 7/8-Inch Angle Grinder Sanding Disc, Aluminum Oxide Abrasive Flapper Discs, Includes 40/60/80/120 Grit
Awesome Durability: Flap discs are made of high-strength zirconium oxide and a sturdy multi-layer glass fibre backing, making our grinding wheels more durable than ordinary aluminium oxide abrasives.$8.50
$17.00 (50% Off) - Free Shipping
PRETEC Flap Discs 4 1/2 for Angle Grinder, 12 Pcs Flap Discs 40/60/80/120 Grit, 4.5" x 7/8" High Density Zirconia Type 27 Flap Sanding Disc for Grinding, Rust Removal, Sanding and Finishing -12 Packs
【Meets All Your Needs】Our 4-1/2-inch flap disc set comes with 40/60/80/120 grits, totaling 12 packs. This comprehensive set includes 4 pieces each of 40 grit and 60 grit, along with 2 pieces each of 80 grit and 120 grit, providing a versatile selection for grinding various metals. It perfectly caters to all your grinding needs.$17.99
- 39% OffFree Shipping
DEWALT Flap Disc, Zirconia, 4-1/2-Inch x 7/8-Inch, 80-Grit (DW8309)
Zirconia grit enables 3X faster material removal than fiber resin metal sanding discs$5.95
$9.91 (39% Off) - Free Shipping
BHA Grinding and Sanding Flap Discs T27, 4-1/2" x 7/8", 40 Grit - 10 Pack
Long Lasting Premium Zirconia Grains$27.49
- Free Shipping
50 Pack 40 Grit Zirconia Flap Discs 4.5" x 7/8" T27 for 4 1/2 Inch Angle Grinder Flap Wheels Heavy-Duty Grinding & Sanding Discs for Metal, Wood, Stainless Steel
【Adaptable Grinding Kit】This complete 50-piece set features T27 flap discs in grit 40, offering a reliable option for all your grinding tasks on various materials.$39.99
- Free Shipping
40 Pack Flap Discs 4 1/2 for Angle Grinder Sanding Disc - Trivd Frol 40/60/80/120 Grit T29 Flap Disc, 7/8 Inch Zirconia Abrasive Grinding Wheel Disc for Metal, Wood, Stainless Steel Finishing
【Professional Grinder Flap Disc】Flap discs 4 1/2 for Angle Grinder with 40/60/80/100/120 Grit T29, 40 packs in total. Includes 20pcs for 40 grit, 10pcs for 60 grit, 5pcs for 80 grit, and 5pcs for 120 grit. A perfect flap disc for cutting various metals and meets all your needs.$35.99
- Free Shipping
Sali 10 Pack Flap Disc 60 Grit 4.5" x 7/8-Inch Sanding Disc Bevel Type #29 Premium and Industrial Angle Grinder Grinding Wheel High Performance Edge Grinding
Premium quality : These flap discs are constructed with industrial grade premium zirconia abrasive for strength, durability, and extended disc life as it holds up to high temperatures and pressure.the resin fiber construction complemented by the fiberglass backing plate absorbs vibrations without smearing or contaminating work piece during usage$16.99