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Flap Discs 4 1 2 for Angle Grinder 40 Grit Type 27 Zirconia Abrasive Grinding Wheel 7 8

★ 4.2 · 37 ratings
$34.48

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Flap Discs 4 1 2 for Angle Grinder 40 Grit Type 27 Zirconia Abrasive Grinding Wheel 7 8, $34.48, Availability unknown. Image 1 of 6.

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Flap Discs 4 1 2 for Angle Grinder 40 Grit Type 27 Zirconia Abrasive Grinding Wheel 7 8
SKU
JC22048
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Source specifications

Grit Material
Zirconia
Brand
EONCHO
Compatible Devices
Angle Grinder
Grit Type
40
Item Thickness
0.6 Inches
Grit Material
‎Zirconia
Brand
‎EONCHO
Compatible Devices
‎Angle Grinder
Grit Type
‎40
Item Thickness
‎0.6 Inches
Grit Number
‎40
Construction Type
‎Non-Woven
Maximum Rotational Speed
‎13300 RPM
Manufacturer
‎EONCHO
Item Diameter
‎4.5 Inches
Item Weight
‎2.27 pounds
ASIN
‎B0FMKK45F1
Date First Available
‎August 15, 2025
Best Sellers Rank
#11,717 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #17 in Flap Discs

The details

About this item

From the brand Previous page EONCHO FLAP DISC EONCHO 5/8-11 FLAP DISC EONCHO GERAMIC FLAP DISC Next page Premium Performance:grinding sanding discs are crafted from hard zirconia material, delivering greater efficiency and durability than standard aluminum oxide abrasives to create a more cost-effective solution.; Extensive Applications: Our high-quality 4 1/2 × 7/8-inch Type 27 flap discs offer versatile functionality, widely used for metal or wood to remove the weld reinforcement, deburring, polishing, and to rust removal.; Fast & Efficient Grinding: The resin fiber construction combined with the fiberglass backing plate effectively absorbs vibrations to prevent scratches. The fiberglass polishing pad efficiently absorbs vibrations, delivering a more stable and efficient polishing experience.; Fits T27 Angle Grinder:This flap discs features a beveled 27-type grinding wheel, specifically designed for edge and Choose your platform/edition, then jump in—story, missions, and extras depend on the version. Rated 4.2 out of 5.

  • Premium Performance:grinding sanding discs are crafted from hard zirconia material, delivering greater efficiency and durability than standard aluminum oxide abrasives to create a more cost-effective solution.
  • Extensive Applications: Our high-quality 4 1/2 × 7/8-inch Type 27 flap discs offer versatile functionality, widely used for metal or wood to remove the weld reinforcement, deburring, polishing, and to rust removal.
  • Fast & Efficient Grinding: The resin fiber construction combined with the fiberglass backing plate effectively absorbs vibrations to prevent scratches. The fiberglass polishing pad efficiently absorbs vibrations, delivering a more stable and efficient polishing experience.
  • Fits T27 Angle Grinder:This flap discs features a beveled 27-type grinding wheel, specifically designed for edge and surface grinding. It is ideal for grinding surfaces within a 5 to 15° angle range, delivering greater efficiency and faster results.
  • Professional Grinder Flap Disc : 4-1/2-inch diameter with a 7/8-inch arbor size compatible with an angle grinder with a maximum 13, 300 RPM grinding speed. This angle grinder flap disc is designed for grinding, blending, sanding, and finishing on a wide range of material

Product information

Materials and care

Grit Material
Zirconia
Grit Material
‎Zirconia
Construction Type
‎Non-Woven

From the manufacturer

Product details and media

From the brand Previous page EONCHO FLAP DISC EONCHO 5/8-11 FLAP DISC EONCHO GERAMIC FLAP DISC Next page

Highlights: Premium Performance:grinding sanding discs are crafted from hard zirconia material, delivering greater efficiency and durability than standard aluminum oxide abrasives to create a more cost-effective solution. Extensive Applications: Our high-quality 4 1/2 × 7/8-inch Type 27 flap discs offer versatile functionality, widely used for metal or wood to remove the weld reinforcement, deburring, polishing, and to rust removal. Fast & Efficient Grinding: The resin fiber construction combined with the fiberglass backing plate effectively absorbs vibrations to prevent scratches. The fiberglass polishing pad efficiently absorbs vibrations, delivering a more stable and efficient polishing experience. Fits T27 Angle Grinder:This flap discs features a beveled 27-type grinding wheel, specifically designed for edge and surface grinding. It is ideal for grinding surfaces within a 5 to 15° angle range, delivering greater efficiency and faster results. Professional Grinder Flap Disc : 4-1/2-inch diameter with a 7/8-inch arbor size compatible with an angle grinder with a maximum 13, 300 RPM grinding speed. This angle grinder flap disc is designed for grinding, blending, sanding, and finishing on a wide range of material

Key details: Grit Material: ‎Zirconia | Brand: ‎EONCHO | Compatible Devices: ‎Angle Grinder | Grit Type: ‎40 | Item Thickness: ‎0.6 Inches | Grit Number: ‎40 | Construction Type: ‎Non-Woven | Maximum Rotational Speed: ‎13300 RPM | Item Diameter: ‎4.5 Inches | Item Weight: ‎2.27 pounds

What you can expect: Premium Performance:grinding sanding discs are crafted from hard zirconia material, delivering greater efficiency and durability than standard aluminum oxide abrasives to create a more cost-effective solution. Extensive Applications: Our high-quality 4 1/2 × 7/8-inch Type 27 flap discs offer versatile functionality, widely used for metal or wood to remove the weld reinforcement, deburring, polishing, and to rust removal. Fast & Efficient Grinding: The resin fiber construction combined with the fiberglass backing plate effectively absorbs vibrations to prevent scratches. The fiberglass polishing pad efficiently absorbs vibrations, delivering a more stable and efficient polishing experience. Fits T27 Angle Grinder:This flap discs features a beveled 27-type grinding wheel, specifically designed for edge and surface grinding. It is ideal for grinding surfaces within a 5 to 15° angle range, delivering greater efficiency and faster results. Professional Grinder Flap Disc : 4-1/2-inch diameter with a 7/8-inch arbor size compatible with an angle grinder with a maximum 13, 300 RPM grinding speed. This angle grinder flap disc is designed for grinding, blending, sanding, and finishing on a wide range of material

Customer feedback: 4.2/5 average rating.

Review snippets: Work good for the price point. Read more / Grinding/cleaning rusty truck frame-these work great,wear somewhat quickly but can’t beat for the price! Read more

Flap Discs 4 1 2 for Angle Grinder 40 Grit Type 27 Zirconia Abrasive Grinding Wheel 7 8 — product detail 1Flap Discs 4 1 2 for Angle Grinder 40 Grit Type 27 Zirconia Abrasive Grinding Wheel 7 8 — product detail 2Flap Discs 4 1 2 for Angle Grinder 40 Grit Type 27 Zirconia Abrasive Grinding Wheel 7 8 — product detail 3Flap Discs 4 1 2 for Angle Grinder 40 Grit Type 27 Zirconia Abrasive Grinding Wheel 7 8 — product detail 4Flap Discs 4 1 2 for Angle Grinder 40 Grit Type 27 Zirconia Abrasive Grinding Wheel 7 8 — product detail 5Flap Discs 4 1 2 for Angle Grinder 40 Grit Type 27 Zirconia Abrasive Grinding Wheel 7 8 — product detail 6Flap Discs 4 1 2 for Angle Grinder 40 Grit Type 27 Zirconia Abrasive Grinding Wheel 7 8 — product detail 7Flap Discs 4 1 2 for Angle Grinder 40 Grit Type 27 Zirconia Abrasive Grinding Wheel 7 8 — product detail 8Flap Discs 4 1 2 for Angle Grinder 40 Grit Type 27 Zirconia Abrasive Grinding Wheel 7 8 — product detail 9Flap Discs 4 1 2 for Angle Grinder 40 Grit Type 27 Zirconia Abrasive Grinding Wheel 7 8 — product detail 10Flap Discs 4 1 2 for Angle Grinder 40 Grit Type 27 Zirconia Abrasive Grinding Wheel 7 8 — product detail 11Flap Discs 4 1 2 for Angle Grinder 40 Grit Type 27 Zirconia Abrasive Grinding Wheel 7 8 — product detail 12Flap Discs 4 1 2 for Angle Grinder 40 Grit Type 27 Zirconia Abrasive Grinding Wheel 7 8 — product detail 13Flap Discs 4 1 2 for Angle Grinder 40 Grit Type 27 Zirconia Abrasive Grinding Wheel 7 8 — product detail 14Flap Discs 4 1 2 for Angle Grinder 40 Grit Type 27 Zirconia Abrasive Grinding Wheel 7 8 — product detail 15Flap Discs 4 1 2 for Angle Grinder 40 Grit Type 27 Zirconia Abrasive Grinding Wheel 7 8 — product detail 16Flap Discs 4 1 2 for Angle Grinder 40 Grit Type 27 Zirconia Abrasive Grinding Wheel 7 8 — product detail 17Flap Discs 4 1 2 for Angle Grinder 40 Grit Type 27 Zirconia Abrasive Grinding Wheel 7 8 — product detail 18Flap Discs 4 1 2 for Angle Grinder 40 Grit Type 27 Zirconia Abrasive Grinding Wheel 7 8 — product detail 19Flap Discs 4 1 2 for Angle Grinder 40 Grit Type 27 Zirconia Abrasive Grinding Wheel 7 8 — product detail 20Flap Discs 4 1 2 for Angle Grinder 40 Grit Type 27 Zirconia Abrasive Grinding Wheel 7 8 — product detail 21Flap Discs 4 1 2 for Angle Grinder 40 Grit Type 27 Zirconia Abrasive Grinding Wheel 7 8 — product detail 22

Customer feedback

Customer ratings

4.2 out of 5

37 ratings

Kenneth E Turner

5.0 out of 5 stars As good as original

Rating: 5

February 9, 2026

Verified purchase

Work good for the price point. Read more

Mark Hadley

5.0 out of 5 stars Great for rusty truck frame!

Rating: 5

February 7, 2026

Verified purchase

Grinding/cleaning rusty truck frame-these work great,wear somewhat quickly but can’t beat for the price! Read more

went

1.0 out of 5 stars Bad quality

Rating: 1

March 9, 2026

Verified purchase

It good for wood.but not good for stainless steel. It is difficult to process its surface. I tried for about ten minutes. Its hardness is not sufficient.The thickness is not standard.And the noise is very loud.Waste money Read more

Carlton Brunner

5.0 out of 5 stars Nice Quality Flaps

Rating: 5

January 3, 2026

Verified purchase

Nice Quality Flaps Read more

Customer review image

MC

5.0 out of 5 stars Great value and heavy duty reliable product

Rating: 5

February 23, 2026

These grit flap discs are very heavy duty and have exceeded expectations. The 40-grit is coarse enough to remove weld seams and rust quickly, yet the flap design leaves a much smoother finish than a hard grinding wheel. They hold up well on stainless steel and mild steel without disintegrating or losing grit prematurely, which speaks to the quality of the zirconia abrasive. For the price of a 12-pack, these are an excellent value compared to big-box store brands. They mount easily on my 4.5-inch angle grinder with the standard 7/8-inch arbor, and the Type 27 shape gives you that slight angle for comfortable flat grinding. Whether you're prepping metal for paint or shaping wood, this is a solid, cost-effective pack to have on hand. Read more

RFH

5.0 out of 5 stars Very good value and high quality.

Rating: 5

January 8, 2026

Review of: Flap Discs 4 1/2 x 7/8-Inch for Angle Grit 40 Type 27 Premium Zirconia Grinding Wheel for Steel, (10 Pack) Synopsis: Excellent value for Zirconia heavy-duty 40 grit flap discs. Suitable for wood and metal. Priced at $9.99 for a 10-pk on 10/28/25, these flap discs are an excellent value and a bargain compared to similar products. Pros: Measured dimensions are as advertised in product description. Thick fiberglass backing, low vibration, and very durable in use. Sparking is low compared to other discs I've used. Fit perfectly on my Bauer angle grinder They are durable, last a long time in use, and cut quickly. Zirconia is tougher and longer lasting than aluminum oxide discs. Perfect for material removal on flat surfaces and outside corners at shallow angles. The quality is much higher than I expected at this price point. Cons: None. Conclusion: Very good value and much higher quality than I expected. 5-Stars for exceeding my expectations. Read more

Customer review imageCustomer review imageCustomer review imageCustomer review image

SleekGeek

5.0 out of 5 stars Remove a lot of material quickly, durable Zirconia grinding media.

Rating: 5

November 30, 2025

I got these discs for sharpening blades on my lawn mowers. These flap discs are 40 grit and are quite coarse. They quickly remove a lot of material, which is perfect for sharpening lawn mower blades as you literally need to remove a lot of material to restore badly damaged apex and edges. These disks also last as flap pads are made from Zirconia grinding media which is extremely hard and maintains superior hardness under high temperatures. The discs are quite thick so you may need to remove the backing arbor nut to make some space for flying debris between the disc and blade guard lip. I also noticed that these discs generate significantly less sparks as they remove bigger material particles and generally run cooler than lower grid discs. Read more

Customer review imageCustomer review imageCustomer review imageCustomer review image

guoyong

1.0 out of 5 stars Waste of money

Rating: 1

February 28, 2026

Verified purchase

Waste of money Seems like they don’t remove any material make a lot of noise! Read more

Complete product information
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    "Compatible Devices": "‎Angle Grinder",
    "Grit Type": "‎40",
    "Item Thickness": "‎0.6 Inches",
    "Grit Number": "‎40",
    "Construction Type": "‎Non-Woven",
    "Maximum Rotational Speed": "‎13300 RPM",
    "Manufacturer": "‎EONCHO",
    "Item Diameter": "‎4.5 Inches",
    "Item Weight": "‎2.27 pounds",
    "ASIN": "‎B0FMKK45F1",
    "Date First Available": "‎August 15, 2025",
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    "items": [
      {
        "title": "5.0 out of 5 stars As good as original",
        "body": "Work good for the price point. Read more",
        "author": "Kenneth E Turner",
        "rating": 5,
        "date": "February 9, 2026",
        "verified": true,
        "images": []
      },
      {
        "title": "5.0 out of 5 stars Great for rusty truck frame!",
        "body": "Grinding/cleaning rusty truck frame-these work great,wear somewhat quickly but can’t beat for the price! Read more",
        "author": "Mark Hadley",
        "rating": 5,
        "date": "February 7, 2026",
        "verified": true,
        "images": []
      },
      {
        "title": "1.0 out of 5 stars Bad quality",
        "body": "It good for wood.but not good for stainless steel. It is difficult to process its surface. I tried for about ten minutes. Its hardness is not sufficient.The thickness is not standard.And the noise is very loud.Waste money Read more",
        "author": "went",
        "rating": 1,
        "date": "March 9, 2026",
        "verified": true,
        "images": []
      },
      {
        "title": "5.0 out of 5 stars Nice Quality Flaps",
        "body": "Nice Quality Flaps Read more",
        "author": "Carlton Brunner",
        "rating": 5,
        "date": "January 3, 2026",
        "verified": true,
        "images": [
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        ]
      },
      {
        "title": "5.0 out of 5 stars Great value and heavy duty reliable product",
        "body": "These grit flap discs are very heavy duty and have exceeded expectations. The 40-grit is coarse enough to remove weld seams and rust quickly, yet the flap design leaves a much smoother finish than a hard grinding wheel. They hold up well on stainless steel and mild steel without disintegrating or losing grit prematurely, which speaks to the quality of the zirconia abrasive. For the price of a 12-pack, these are an excellent value compared to big-box store brands. They mount easily on my 4.5-inch angle grinder with the standard 7/8-inch arbor, and the Type 27 shape gives you that slight angle for comfortable flat grinding. Whether you're prepping metal for paint or shaping wood, this is a solid, cost-effective pack to have on hand. Read more",
        "author": "MC",
        "rating": 5,
        "date": "February 23, 2026",
        "verified": false,
        "images": []
      },
      {
        "title": "5.0 out of 5 stars Very good value and high quality.",
        "body": "Review of: Flap Discs 4 1/2 x 7/8-Inch for Angle Grit 40 Type 27 Premium Zirconia Grinding Wheel for Steel, (10 Pack) Synopsis: Excellent value for Zirconia heavy-duty 40 grit flap discs. Suitable for wood and metal. Priced at $9.99 for a 10-pk on 10/28/25, these flap discs are an excellent value and a bargain compared to similar products. Pros: Measured dimensions are as advertised in product description. Thick fiberglass backing, low vibration, and very durable in use. Sparking is low compared to other discs I've used. Fit perfectly on my Bauer angle grinder They are durable, last a long time in use, and cut quickly. Zirconia is tougher and longer lasting than aluminum oxide discs. Perfect for material removal on flat surfaces and outside corners at shallow angles. The quality is much higher than I expected at this price point. Cons: None. Conclusion: Very good value and much higher quality than I expected. 5-Stars for exceeding my expectations. Read more",
        "author": "RFH",
        "rating": 5,
        "date": "January 8, 2026",
        "verified": false,
        "images": [
          "https://m.media-amazon.com/images/I/610EKewhHYL._SY88._SL1500_.jpg",
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          "https://m.media-amazon.com/images/I/81wNGfIEjOL._SY88._SL1500_.jpg"
        ]
      },
      {
        "title": "5.0 out of 5 stars Remove a lot of material quickly, durable Zirconia grinding media.",
        "body": "I got these discs for sharpening blades on my lawn mowers. These flap discs are 40 grit and are quite coarse. They quickly remove a lot of material, which is perfect for sharpening lawn mower blades as you literally need to remove a lot of material to restore badly damaged apex and edges. These disks also last as flap pads are made from Zirconia grinding media which is extremely hard and maintains superior hardness under high temperatures. The discs are quite thick so you may need to remove the backing arbor nut to make some space for flying debris between the disc and blade guard lip. I also noticed that these discs generate significantly less sparks as they remove bigger material particles and generally run cooler than lower grid discs. Read more",
        "author": "SleekGeek",
        "rating": 5,
        "date": "November 30, 2025",
        "verified": false,
        "images": [
          "https://m.media-amazon.com/images/I/71eBaw+xlEL._SY88._SL1500_.jpg",
          "https://m.media-amazon.com/images/I/81sBHdMZEbL._SY88._SL1500_.jpg",
          "https://m.media-amazon.com/images/I/8116qO9m7QL._SY88._SL1500_.jpg",
          "https://m.media-amazon.com/images/I/81s1jKNxW9L._SY88._SL1500_.jpg"
        ]
      },
      {
        "title": "1.0 out of 5 stars Waste of money",
        "body": "Waste of money Seems like they don’t remove any material make a lot of noise! Read more",
        "author": "guoyong",
        "rating": 1,
        "date": "February 28, 2026",
        "verified": true,
        "images": []
      }
    ]
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  "short_description": "From the brand Previous page EONCHO FLAP DISC EONCHO 5/8-11 FLAP DISC EONCHO GERAMIC FLAP DISC Next page.",
  "about_this_item": "From the brand Previous page EONCHO FLAP DISC EONCHO 5/8-11 FLAP DISC EONCHO GERAMIC FLAP DISC Next page Premium Performance:grinding sanding discs are crafted from hard zirconia material, delivering greater efficiency and durability than standard aluminum oxide abrasives to create a more cost-effective solution.; Extensive Applications: Our high-quality 4 1/2 × 7/8-inch Type 27 flap discs offer versatile functionality, widely used for metal or wood to remove the weld reinforcement, deburring, polishing, and to rust removal.; Fast & Efficient Grinding: The resin fiber construction combined with the fiberglass backing plate effectively absorbs vibrations to prevent scratches. The fiberglass polishing pad efficiently absorbs vibrations, delivering a more stable and efficient polishing experience.; Fits T27 Angle Grinder:This flap discs features a beveled 27-type grinding wheel, specifically designed for edge and Choose your platform/edition, then jump in—story, missions, and extras depend on the version. Rated 4.2 out of 5.",
  "long_description": "From the brand Previous page EONCHO FLAP DISC EONCHO 5/8-11 FLAP DISC EONCHO GERAMIC FLAP DISC Next page\n\nHighlights: Premium Performance:grinding sanding discs are crafted from hard zirconia material, delivering greater efficiency and durability than standard aluminum oxide abrasives to create a more cost-effective solution. Extensive Applications: Our high-quality 4 1/2 × 7/8-inch Type 27 flap discs offer versatile functionality, widely used for metal or wood to remove the weld reinforcement, deburring, polishing, and to rust removal. Fast & Efficient Grinding: The resin fiber construction combined with the fiberglass backing plate effectively absorbs vibrations to prevent scratches. The fiberglass polishing pad efficiently absorbs vibrations, delivering a more stable and efficient polishing experience. Fits T27 Angle Grinder:This flap discs features a beveled 27-type grinding wheel, specifically designed for edge and surface grinding. It is ideal for grinding surfaces within a 5 to 15° angle range, delivering greater efficiency and faster results. Professional Grinder Flap Disc : 4-1/2-inch diameter with a 7/8-inch arbor size compatible with an angle grinder with a maximum 13, 300 RPM grinding speed. This angle grinder flap disc is designed for grinding, blending, sanding, and finishing on a wide range of material\n\nKey details: Grit Material: ‎Zirconia | Brand: ‎EONCHO | Compatible Devices: ‎Angle Grinder | Grit Type: ‎40 | Item Thickness: ‎0.6 Inches | Grit Number: ‎40 | Construction Type: ‎Non-Woven | Maximum Rotational Speed: ‎13300 RPM | Item Diameter: ‎4.5 Inches | Item Weight: ‎2.27 pounds\n\nWhat you can expect: Premium Performance:grinding sanding discs are crafted from hard zirconia material, delivering greater efficiency and durability than standard aluminum oxide abrasives to create a more cost-effective solution. Extensive Applications: Our high-quality 4 1/2 × 7/8-inch Type 27 flap discs offer versatile functionality, widely used for metal or wood to remove the weld reinforcement, deburring, polishing, and to rust removal. Fast & Efficient Grinding: The resin fiber construction combined with the fiberglass backing plate effectively absorbs vibrations to prevent scratches. The fiberglass polishing pad efficiently absorbs vibrations, delivering a more stable and efficient polishing experience. Fits T27 Angle Grinder:This flap discs features a beveled 27-type grinding wheel, specifically designed for edge and surface grinding. It is ideal for grinding surfaces within a 5 to 15° angle range, delivering greater efficiency and faster results. Professional Grinder Flap Disc : 4-1/2-inch diameter with a 7/8-inch arbor size compatible with an angle grinder with a maximum 13, 300 RPM grinding speed. This angle grinder flap disc is designed for grinding, blending, sanding, and finishing on a wide range of material\n\nCustomer feedback: 4.2/5 average rating.\n\nReview snippets: Work good for the price point. Read more / Grinding/cleaning rusty truck frame-these work great,wear somewhat quickly but can’t beat for the price! Read more",
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      "text": "Highlights: Premium Performance:grinding sanding discs are crafted from hard zirconia material, delivering greater efficiency and durability than standard aluminum oxide abrasives to create a more cost-effective solution. Extensive Applications: Our high-quality 4 1/2 × 7/8-inch Type 27 flap discs offer versatile functionality, widely used for metal or wood to remove the weld reinforcement, deburring, polishing, and to rust removal. Fast & Efficient Grinding: The resin fiber construction combined with the fiberglass backing plate effectively absorbs vibrations to prevent scratches. The fiberglass polishing pad efficiently absorbs vibrations, delivering a more stable and efficient polishing experience. Fits T27 Angle Grinder:This flap discs features a beveled 27-type grinding wheel, specifically designed for edge and surface grinding. It is ideal for grinding surfaces within a 5 to 15° angle range, delivering greater efficiency and faster results. Professional Grinder Flap Disc : 4-1/2-inch diameter with a 7/8-inch arbor size compatible with an angle grinder with a maximum 13, 300 RPM grinding speed. This angle grinder flap disc is designed for grinding, blending, sanding, and finishing on a wide range of material"
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