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⚡ Elevate your grind game with pro-grade power and precision!
Benchmark Abrasives 4.5" x 7/8" Jumbo Zirconia Type 27 Flap Discs deliver industrial-strength performance with a max speed of 13,000 RPM and a durable steel arbor. Made from premium European zirconia alumina grains, these 40 grit discs ensure efficient stock removal, rust removal, and finishing across multiple industries. Compatible with all major 4.5" angle grinders, they meet rigorous ANSI and EU standards, offering professionals and DIYers a reliable, versatile tool for flawless surface prep and finishing.











| ASIN | B01MU0BBPF |
| Best Sellers Rank | #5,969 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #5 in Flap Discs |
| Brand | Benchmark Abrasives |
| Brand Name | Benchmark Abrasives |
| Compatible Devices | Angle Grinder |
| Compatible Disc Grinder Tool Models | DEWALT DWE4559CN |
| Compatible Material | Stainless Steel |
| Construction Type | Grinding |
| Customer Reviews | 4.6 out of 5 stars 252 Reviews |
| Grit Material | Aluminum Oxide, Zirconia, Zirconia Alumina |
| Grit Material Type | Aluminum Oxide, Zirconia, Zirconia Alumina |
| Grit Number | 40 |
| Grit Type | Zirconia |
| Industry Standard Identifier | Type 27 |
| Item Diameter | 4.5 inches |
| Item Dimensions | 4.5 x 4.5 x 0.04 inches |
| Item Dimensions L x W | 4.5"L x 4.5"W |
| Item Highlight | Jumbo High Density Sanding and Finishing Wheels for Angle Grinder, 10-Count |
| Item Thickness | 0.5 inches |
| Manufacturer | Benchmark Abrasives |
| Material Type | Zirconia Alumina |
| Model | BM-F4.5SZ40T27HD |
| Number of Items | 10 |
| Part Number | BM-F4.5SZ40T27HD |
| Product Dimensions | 4.5"L x 4.5"W |
| Recommended Uses For Product | Rust Removal |
| Set Name | 40 Grit | 10 Count |
| UPC | 653341412928 |
W**Y
Great product!
Great product for the price!
R**.
Great product and value!
Great value! Great product, lasting almost as long as, and almost as good as, the normal name brand we have normally used, but at a good, discounted price compared to name brand. We are a production commercial truck repair shop and will be using this product going forward.
D**S
Great discs and price
I’ve been in fabrication for a long time and finding the best consumables for the cheapest price is a constant dance. These are great flap discs and they last a long time compared to others at this price point. I definitely recommend them
B**Y
QUALITY
GOOD QUALITY FOR THE PRICE
D**.
Sanding disks
They look good. Haven’t used them yet. Good price.
B**R
Perfect
Very nice works great
B**D
Great value
These are better than any brand I’ve bought at a store. I’ve probably used every brand available locally to me. Not leaps and bounds better than the best I’ve used but the price makes these supreme.
S**R
they wear fast
i used them to grind pool surface pebbles, so yeah maybe not rated for stones but still, they wear fast and become dull in minutes
I**Z
Duran bastante
tienen mucha lija lo que los hace un poco esponjosos cuando están nuevos, me gusta porque la presión se aplica uniforme en lo que estoy desbastando y dejan un acabado muy liso mientras tengan suficientes capas de lija, cuando se están acabando ya dejan los cortes más notorios en el metal. Yo compro los de grano 40
F**E
Efficaces
Rester surpris, satisfait Je vais en recommandé d’auy
J**D
Benchmark make pretty good products at decent prices.
Good value for the price point
D**R
$$
Call my agent for endorsement $
Trustpilot
2 days ago
3 weeks ago