

⚡ Grind smarter, last longer—benchmark your metalwork with the best!
Benchmark Abrasives 4.5" x 7/8" Type 29 flap discs deliver industrial-grade grinding and finishing with premium European zirconia for superior durability and cutting efficiency. Compatible with all major 4.5" and 5" angle grinders, this 10-pack mixed grit set meets ANSI and EU standards, offering professionals and DIYers a versatile, cost-effective solution for metalworking tasks from stock removal to surface blending.







































| ASIN | B078X16433 |
| Best Sellers Rank | #977 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #1 in Flap Discs |
| Brand Name | Benchmark Abrasives |
| Compatible Devices | Angle Grinder |
| Compatible Material | Metal |
| Construction Type | Grinding |
| Customer Reviews | 4.6 4.6 out of 5 stars (327) |
| Grit Material Type | Zirconia |
| Grit Number | 120 |
| Grit Type | Fine,Medium,Coarse |
| Industry Standard Identifier | Type 29 |
| Item Dimensions | 4.5 x 4.5 x 0.04 inches |
| Item Dimensions L x W | 4.5"L x 4.5"W |
| Manufacturer | Benchmark Abrasives |
| Material Type | Ceramic |
| Model | protector227 |
| UPC | 752830537248 |
| Unit Count | 10.0 Count |
S**L
effective.
cheap and durable. effective.
D**B
Great Flap Discs
I've had the opportunity to use these flap discs, and I must say, they've left me thoroughly impressed. In terms of performance, they stand shoulder to shoulder with some of the more well-known brands I've used in the past. What truly sets them apart is their exceptional longevity, which is a key factor for me as it directly impacts their value. I've found that these flap discs hold up remarkably well over time, even under demanding work conditions. They don't wear out quickly, ensuring that I can complete tasks efficiently without the hassle of frequent replacements. This extended lifespan not only saves time but also makes them a cost-effective choice in the long run. Another standout feature is the price point. The value for money offered by these flap discs is truly exceptional. You're getting top-notch performance and durability without breaking the bank, which is a win-win situation for anyone who relies on these tools regularly.
W**S
Good value
Not a bad flapper wheel for the price. Beats out Harbor freight but not as good as the higher priced wheels.
J**N
Good quality
works
R**R
They are a good value!
The grit is great! They cut very well and they are long lasting. I will buy more and recommend them.
M**.
works well
I used the 40 grit to sharpen my Bush Hog blades. It worked very well and quickly cut the blade which may have never been sharpened to a nice sharp edge. Still plenty of life left in the sanding disc. I used a 60 grit on my lawnmower blade. The disc still looks like new. I think it came in a 10 pack and with the durability, I should have plenty of them for some time to come.
J**S
Effective
They grind
C**.
Works well
Work well
A**R
I bought these disks due to a YouTube channel I watch, and I couldn’t agree more that these disks rock! I’ve used them to sharpen lawn mower blades, to get rid of paint from wood, and rust from sea cans
N**S
Muy buen producto