DEWALT DW8357 Flap Disc Review

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Hey there! Let’s talk about the DEWALT DW8357 4-1/2-Inch by 5/8-Inch-11 60g Type 27 HP Flap Disc. This little beauty is perfect for all your grinding and polishing needs. With its 4-1/2 inch size and 5/8-inch-11 arbor, it’s designed to fit most angle grinders out there.

This flap disc is super versatile and can handle a wide range of materials, from metal to wood, so you can use it for various projects. The 60g type ensures a smooth and efficient grinding experience, making your job that much easier.

In terms of quality, DEWALT is a well-known brand and they always deliver reliable and durable products. You can trust that this flap disc will last through multiple uses without losing its efficiency.

So, whether you’re working on a DIY project or tackling some professional grinding tasks, the DEWALT DW8357 4-1/2-Inch by 5/8-Inch-11 60g Type 27 HP Flap Disc has got you covered. Get ready to achieve that flawless finish in no time!

For more specific details about this product, simply check out the item description. Happy grinding!

DEWALT DW8357 4-1/2-Inch by 5/8-Inch-11 60g Type 27 HP Flap Disc Review

DEWALT DW8357 4-1/2-Inch by 5/8-Inch-11 60g Type 27 HP Flap Disc

Discover more about the DEWALT DW8357 4-1/2-Inch by 5/8-Inch-11 60g Type 27 HP Flap Disc.


Welcome to this full review of the DEWALT DW8357 4-1/2-Inch by 5/8-Inch-11 60g Type 27 HP Flap Disc. In this article, we will delve into the various aspects of this product, providing you with all the information you need to make an informed decision. Whether you are a professional contractor or a DIY enthusiast, this review aims to help you understand the features, benefits, and limitations of the DEWALT DW8357 Flap Disc.

Product Overview

The DEWALT DW8357 Flap Disc is a versatile abrasive tool designed to deliver exceptional performance and durability in various metalworking applications. It is a Type 27 flap disc, meaning it has a flat profile with a depressed center. This characteristic enables the disc to maintain a controlled contact with the work surface, resulting in improved safety and enhanced grinding efficiency.

Key Features

  • Diameter: 4-1/2 inches
  • Arbor Size: 5/8-11 (inch)
  • Grit: 60 (coarse)
  • Type: 27 (flat with depressed center)
  • High-performance design

Performance and Design

The DEWALT DW8357 Flap Disc boasts a high-performance design that allows for efficient stock removal and surface blending. The 60 grit abrasive particles mounted on the disc ensure fast and aggressive grinding, making it ideal for heavy-duty applications.

One notable feature of this flap disc is its 4-1/2-inch diameter, which strikes a balance between maneuverability and productivity. It is neither too small to hinder progress nor too large to limit access to tight spaces. The 5/8-11 arbor size is compatible with most angle grinders, ensuring hassle-free installation and compatibility with various power tools.

DEWALT DW8357 4-1/2-Inch by 5/8-Inch-11 60g Type 27 HP Flap Disc


Durability is a crucial aspect to consider when choosing an abrasive tool, and the DEWALT DW8357 Flap Disc does not disappoint in this regard. Constructed with high-quality materials, this flap disc is engineered to withstand demanding use and deliver consistent performance over time.

The Type 27 high-performance design contributes to the longevity of the disc, as the flat profile and depressed center lessen the strain on the abrasive material. This reduces the wear and tear, ultimately extending the product’s lifespan.

Safety Features

DEWALT prioritizes user safety, and the DW8357 Flap Disc incorporates several safety features for added peace of mind during operation. The Type 27 design ensures controlled contact with the work surface, reducing the risk of accidental gouging or grinding too deep.

Additionally, the 5/8-11 arbor size allows for secure mounting on compatible angle grinders, ensuring the disc stays firmly in place during use. This eliminates the potential hazards associated with loose or wobbling abrasive discs.


The DEWALT DW8357 Flap Disc is designed for a wide range of metalworking applications, making it a versatile and valuable tool to have in your arsenal. Some common applications where this flap disc excels include:

  1. Removing rust and paint: The coarse 60 grit abrasive particles quickly strip away rust and old paint, preparing the metal surface for further treatment or refinishing.

  2. Grinding welds: The high-performance design of the flap disc allows for efficient grinding of welds, smoothing out uneven surfaces and blending them seamlessly with the surrounding metal.

  3. Shaping and beveling edges: The controlled and aggressive nature of the abrasive particles enables precise shaping and beveling of metal edges, ensuring clean and professional results.

  4. Deburring sharp edges: The DW8357 Flap Disc effectively removes burrs from sharp edges, eliminating potential safety hazards and creating smooth and safe-to-handle metal parts.

Comparison Table

Feature DEWALT DW8357 Flap Disc Competitor A Competitor B
Diameter 4-1/2 inches 4-1/2 inches 4 inches
Arbor Size 5/8-11 (inch) 7/8 (inch) 5/8-11 (inch)
Grit 60 (coarse) 80 (medium) 40 (coarse)
Type 27 (flat with depressed center) 29 (angled) 27 (flat with depressed center)
Performance High-performance design Average performance Average performance
Durability Long-lasting Prone to premature wear Decent lifespan
Safety Features Controlled contact, secure mounting Limited safety features Controlled contact, secure mounting
Price Reasonable Slightly expensive Affordable

Customer Reviews

To provide a comprehensive review, it is essential to consider the experiences and opinions of those who have already used the DEWALT DW8357 Flap Disc. Here are some customer reviews highlighting the strengths and weaknesses of this product:

Positive Reviews

  • “I was amazed at how quickly and effortlessly the DW8357 Flap Disc removed the rust from my metal gate. It saved me hours of tedious manual work!” – John G.
  • “This flap disc is definitely high-performance! It grinds down welds like a dream and leaves a smooth finish. Highly recommend!” – Sarah D.
  • “The DW8357 is my go-to disk for aggressive grinding. It’s durable, and the controlled contact with the work surface gives me peace of mind.” – Mark T.

Negative Reviews

  • “Although the DEWALT DW8357 Flap Disc worked well initially, I noticed that it wore out faster than I expected. If you need a long-lasting disc, you might want to explore other options.” – Emma S.
  • “While the performance of the DW8357 Flap Disc is decent, I found it slightly more expensive than comparable options. Consider your budget before making a decision.” – Adam B.


In conclusion, the DEWALT DW8357 4-1/2-Inch by 5/8-Inch-11 60g Type 27 HP Flap Disc offers a high-performance and durable solution for metalworking applications. With its controlled contact design, impressive grit, and versatile applications, it delivers reliable results and ensures user safety. While there might be some concerns about its longevity and price point, the overall positive customer reviews and the reputable DEWALT brand make this flap disc a recommended choice for professionals and DIY enthusiasts alike.

Learn more about the DEWALT DW8357 4-1/2-Inch by 5/8-Inch-11 60g Type 27 HP Flap Disc here.


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