Norton Abrasives
Norton Abrasives BlueFire R884P Flap Disc 3 in Grit 80 Type 27
3-inch Type 27 flap disc with zirconia alumina grit 80 for coarse grinding at up to 30,000 RPM
- TypeSanding Abrasives
- Size3.000
- Aggressive stock removal with zirconia alumina grain
- Consistent finish from semi-open coat on cotton backing
- Type 27 flat face suits surface grinding
- Quick-change TR hub fits 3 in tools
- Rated for 30,000 RPM maximum speed
BlueFire R884P Flap Disc 3 in Grit 80
This flap disc uses zirconia alumina abrasive on a cotton backing for coarse grinding and finishing on metal surfaces. The 3-inch diameter fits angle grinders with a threaded hole mount and the Type 27 profile suits flat grinding work. It is aimed at metal fabrication, weld blending and surface preparation tasks.
Practical limits of the 30,000 RPM rating
The maximum operating speed of 30,000 RPM sets a hard ceiling for the tool spindle speed; exceeding it risks disc failure and injury. The semi-open coating and standard density reduce loading but do not eliminate heat build-up during sustained heavy stock removal. The TR quick-change system requires a compatible backing pad, limiting use to grinders that accept that interface.
Build quality and day-to-day mounting
The plastic backing plate keeps weight low while the Y-weight cotton backing resists tearing under lateral pressure. The threaded hole connector means the disc spins on and off without tools, speeding changeover between grits. Blue colour coding identifies the BlueFire R884P series at a glance, and the semi-open coat sheds swarf to maintain cutting action during extended sessions.
Highlights
- Aggressive stock removal with zirconia alumina grain
- Consistent finish from semi-open coat on cotton backing
- Type 27 flat face suits surface grinding
- Quick-change TR hub fits 3 in tools
- Rated for 30,000 RPM maximum speed
Specifications
| Brand | NORTON ABRASIVES |
|---|---|
| Type | Sanding Abrasives |
| Size | 3.000 |
Questions about this item
Should I choose the BlueFire R884P in 3 inch P80 or look for another grit?
This disc is the 3 inch diameter, P80 grit version; coarser grits remove material faster while finer grits leave a smoother finish, so select the grit that matches the stage of your work.
What does the 30,000 RPM maximum speed mean when the disc is mounted on my angle grinder?
The 30,000 RPM rating is the highest safe spindle speed; your grinder must run at or below this figure, otherwise the disc can fail.
How does the TR threaded hole interface limit what backing pads I can use?
The TR quick-change system requires a matching TR threaded backing pad; the disc threads directly onto that pad for tool-free changes.
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