Key Features
Overview
The Mirka FM-612-1200 Film-Backed Grip Disc is a 5-inch fine sanding disc sold in a 50-pack for detail-oriented finish work. This is a sanding disc designed for fine surface preparation and final-stage sanding where a controlled scratch pattern matters. Model Number: FM-612-1200.
What matters here is the combination of a P1200 grit, aluminum oxide abrasive, and a film-backed grip disc format. That setup is aimed at users who need a more refined finish than general-purpose sanding discs deliver. If you are working through finishing steps and want to avoid deep scratch marks that slow down the next stage, this grit range makes sense.
The 5-inch diameter puts this disc in the most common size class for many sanding tools used in shop, body, and surface prep work. That means it is practical for users already running 5-inch sanders and looking for a premium fine-grit option instead of jumping between odd sizes or specialty formats.
Mirka’s Microstar series name is important because this product is positioned for controlled fine sanding rather than aggressive stock removal. The film-backed construction matters in real use because fine grits need a stable backing to stay consistent across the working surface. When you are trying to clean up a finish step, consistency is usually more important than brute cutting speed.
The semi open coat abrasive layout also matters. On fine sanding discs, coat design affects how the abrasive behaves during longer passes and repeated contact. For users doing finish prep, that can help keep the sanding action more controlled instead of overly harsh for the grit level.
This Mirka sanding disc is a good fit for pros and serious DIY users who already know where a P1200 disc belongs in their sanding sequence. If you need a disc for rough shaping or heavy material removal, this is not that product. If you need a fine sanding disc for refining a surface before the next finishing step, the Mirka FM-612-1200 Film-Backed Grip Disc is the right kind of consumable to keep on hand.
Built for Fine Finish Sanding
This is the kind of sanding disc you buy when surface quality matters more than fast material removal. The fine P1200 grit is made for refining the workpiece so the next step goes smoother and looks better.
- 5-inch disc size works with common sanding setups in this class
- P1200 grit is suited to fine sanding and surface refinement
- Aluminum oxide abrasive provides dependable sanding performance
- Film-backed grip design supports quick changes and consistent contact
What’s in the Box
- (50) Mirka Microstar 5 in Film-Backed Grip Discs, P1200 grit
Key Specifications
| Disc Diameter | 5 in |
|---|---|
| Abrasive Material | Aluminum Oxide |
| Grit | P1200 |
| Abrasive Type | Semi Open Coat |
| Series | Microstar |
| Grade | Fine |
| Package Quantity | 50 |
| Made In | Finland |
Compatibility
Built For
Tool Nut’s Take
Mirka FM-612-1200 Film-Backed Grip Disc for Clean Final Prep
This is a smart buy for anyone who needs a true fine-grit sanding disc and does not want to waste time fighting an inconsistent finish step.
- Who it’s for: Painters, refinishers, woodworkers, and detail-focused users working through fine sanding stages on a 5-inch sanding setup.
- Why it stands out: You get a 5-inch Mirka Microstar disc with P1200 grit, aluminum oxide abrasive, and film-backed grip construction in a practical 50-pack.
- Worth knowing: This is a fine sanding consumable, not a material-removal disc. Buy it for refinement work, not for stripping or leveling heavy stock.
Common Questions
- What size sander is this disc made for? It is a 5-inch sanding disc.
- What abrasive does it use? This disc uses aluminum oxide abrasive.
- What grit is it? It is a P1200 grit disc for fine sanding.
- What series is it part of? It is part of the Mirka Microstar series.
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