1 / 6HARFINGTON 100 5-Inch 8-Hole 80-Grit Zirconia Alumina Sanding Discs
HARFINGTON 100 sanding discs are a 100-piece set of 5-inch, 8-hole, 80-grit hook-and-loop abrasives. The listing describes zirconia alumina discs for rust removal and work on metal, wood, stone and ceramics, with compatibility claims covering several sander types.
At a glance
- Hook-and-loop backing is described as quick to attach and replace on a compatible backing plate.
- Eight holes are intended to help remove dust and sanding waste.
- The listing describes use for rust removal, deburring, metal grinding and woodworking, among other jobs.
Pros and cons
Pros
- A 100-disc pack offers a substantial supply in one listed grit.
- The stated 5-inch diameter and 8-hole pattern suit buyers whose sander backing plate matches that configuration.
- Hook-and-loop attachment is convenient for changing discs, according to the listing.
Technical specifications
13 specifications| Brand | HARFINGTON |
|---|---|
| Model | 100 |
| Dimensions listed | 12.7 x 12.7 x 0.3 centimetres |
|---|---|
| Diameter | 5 inches |
| Hole pattern | 8 Hole |
| Backing | Hook and loop |
| Material listed | Zirconia Alumina |
|---|---|
| Grit number | 80 |
| Grit type | Medium |
| Compatible devices | Orbital Sander, Disc Sander, Rotary Sander, Pneumatic Grinder |
| Compatible materials | Metal, Wood, Stone, Ceramics |
| Recommended use | Rust Removal |
| Quantity | 100 Pcs |
|---|
What to know before buying
Listing details to confirm
The listing gives dimensions as 12.7 x 12.7 x 0.3 centimetres in one details field, while another gives 12.7 x 12.7 x 0.25 cm; it also calls the diameter 5 inches and 125 mm. Confirm the thickness and fit against your sander before buying. The title calls the discs blue, but the supplied details do not confirm colour.
What’s in the box
Included- Sanding discs (100)
Who is it for?
A good fit for
- People needing 80-grit, 5-inch discs for rust removal, deburring or general grinding and sanding.
- Owners of compatible sanders that use 8-hole, hook-and-loop discs.
Less suited to
- Buyers seeking a range of grit grades in one pack.
- Anyone whose sander requires a different diameter, hole pattern or attachment style.

Customer reviews on Amazon
- 5 stars
0% 0% - 4 stars
100% 100% - 3 stars
0% 0% - 2 stars
0% 0% - 1 star
0% 0%
The available aggregate feedback is based on a single rating, so it offers little basis for judging durability, fit or sanding results. Buyers should weigh the listed grit, dimensions and hole pattern against their intended work and sander rather than treating the rating as broad performance evidence.
Frequently asked questions
How many discs are listed?
The feature text says the package contains 100 sanding discs.
What sander types does the listing name?
It names orbital, disc and rotary sanders, plus pneumatic grinders. Check that the backing plate diameter and hole pattern match.
What materials and tasks are listed?
The listing names metal, wood, stone and ceramics, and recommends the discs for rust removal. It also describes deburring and grinding applications.
Does the pack include multiple grit grades?
No. The supplied listing identifies these as 80-grit discs.

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