⚡ Grind faster, last longer, finish sharper — own the edge.
The DEWALT DW8309 4-1/2-Inch Zirconia Flap Disc combines 80-grit premium abrasive cloth with a Type 29 fiberglass backing to deliver 3X faster material removal and up to 15X longer life than traditional fiber resin discs. Engineered for optimal grinding angles between 10-25 degrees, it ensures efficient, precise metal grinding without marring surfaces. Compatible with DEWALT angle grinders, this lightweight, durable disc is a must-have for professionals seeking speed, longevity, and flawless finishes.
| Grit Material | Zirconia |
| Product Dimensions | 4.5"L x 4.5"W |
| Brand | DEWALT |
| Compatible Devices | Angle Grinder |
| Item Thickness | 4.5 Inches |
| Grit Number | 80 |
| Construction Type | Grinding |
| Compatible Disc Grinder Tool Models | DEWALT DCG416B |
| Global Trade Identification Number | 00028877310459 |
| UPC | 028877310459 |
| Manufacturer | DeWalt |
| Part Number | DW8309 |
| Item Weight | 1.6 ounces |
| Country of Origin | Turkey |
| Item model number | DW8309 |
| Is Discontinued By Manufacturer | No |
| Size | 1 Count (Pack of 1) |
| Color | Multi |
| Style | 80G 7/8-Inch Hub |
| Finish | Brushed |
| Material | Blend |
| Pattern | Solid |
| Shape | Rectangular |
| Power Source | Hand Powered |
| Item Package Quantity | 1 |
| Cutting Diameter | 4.5 Inches |
| Measurement System | Metric |
| Included Components | 4-1/2" x 7/8" 80 Grit Zirconia Flap Disc |
| Batteries Included? | No |
| Batteries Required? | No |
| Assembled Diameter | 4.5 Inches |
M**E
Good value
Great for sharpening mower blades
A**R
Average price
Good product
E**F
Great product
Works great
A**I
Not bad, but I prefer the Walter
I've used several of these (60 grit and others) for grinding welds, deburring, chamfering and similar tasks. These are pretty good - they cut quickly, leave a decent finish, and last a while.That being said, I prefer the Walter 15W456 - they cut a bit more quickly and you can "trim" them when they're used up to get a bit more life out of them.
A**H
sturdy
Very sturdy.
M**T
ĹUsed it for sharpening lawn mower blades.
Works fast.
J**A
good quality
I bought this to sharpen lawn mower blades work GREAT . will buy again quick delivery
D**D
Good price and High Quality
I used this along with an angle grinder to sharpen my lawn mower blades. It did a great job and I did not notice any damage to the disc after the job was done. I anticipate being able to reuse this disc for many more blade sharpenings. It was able to successfully sharpen the blade and I knew it was working from all the sparks that were generated at the time. I think this is a great value.
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