Key Features
Overview
The Mirka 20-342-150 Basecut 6 in PSA Sanding Disc P150 is a paper-backed adhesive sanding disc for general sanding and surface preparation. This is a sanding disc designed for stock removal and finish prep on compatible 6 inch PSA sanders or sanding pads. Model Number: 20-342-150. If you need a practical abrasive that covers routine shop work without overcomplicating the setup, this one is aimed right at that job.
Mirka positions the Basecut line as an economical, high-efficiency option for sanding with paper, and that matters if you go through abrasives regularly. The stated benefit is a high initial aggressive cut paired with long working life, which means the disc is meant to get into the material quickly and keep producing instead of falling off early. For a shop doing repeat sanding steps, that balance matters more than flashy packaging.
The 6 inch size fits a common sanding format, and the PSA backing keeps attachment straightforward on tools and pads made for pressure-sensitive adhesive discs. That makes this style useful for users who want a firm, simple mounting method instead of a hook-and-loop setup. If your sanding system is built around PSA discs, this is the kind of consumable you buy by the box and keep moving.
The P150 grit is a practical choice when you are refining a surface, blending previous scratch patterns, or handling general prep work before the next finishing step. It is not the disc you reach for when you need heavy stripping, and it is not an ultra-fine finishing grit either. It sits in a useful working range for everyday sanding jobs where control and consistency matter.
This Mirka sanding abrasive is a better fit for users who know exactly what backing style they need and want a dependable supply of discs on hand. It makes sense for body shops, woodworking shops, paint prep, maintenance departments, and serious DIY users already set up for 6 inch PSA sanding. If your machine takes PSA discs and you want a 100-pack of P150 paper abrasives from a proven abrasive brand, this is a clean, straightforward buy.
Simple Setup for Repeat Sanding
This disc is built for users who want a no-nonsense abrasive they can load onto a PSA pad and get right to work. The value here is consistency, common sizing, and bulk quantity for real sanding volume.
- 6 inch disc size for compatible sanding tools and pads
- Pressure-sensitive adhesive backing for PSA attachment systems
- P150 grit for general surface prep and sanding refinement
- 100-disc pack for shop stock and repeat jobs
What’s in the Box
- (100) Mirka Basecut 6 in PSA Sanding Discs, P150
Key Specifications
| Disc Diameter | 6 in |
|---|---|
| Attachment Type | PSA |
| Grit | P150 |
| Backing Material | Paper |
| Package Quantity | 100 discs |
| Made In | Finland |
Compatibility
Built For
Tool Nut’s Take
Mirka 20-342-150 Basecut 6 in PSA Sanding Disc P150 keeps it simple
This is the kind of abrasive you buy when you want dependable 6 inch PSA discs in a useful grit and enough quantity to actually get through work.
- Who it’s for: Shops and serious users running 6 inch PSA sanding setups for routine prep and sanding work.
- Why it stands out: The combination of a common 6 inch format, P150 grit, paper backing, and 100-disc pack makes it easy to stock and easy to use.
- Worth knowing: Make sure your pad uses PSA discs. If your sander is set up for hook-and-loop, this is the wrong attachment style.
Common Questions
- What grit is this disc? This disc is P150 grit.
- What size sander does it fit? It is a 6 inch disc, so it fits compatible 6 inch sanding tools or pads.
- What attachment style does it use? It uses PSA, which stands for pressure-sensitive adhesive.
- How many discs come in the pack? The package quantity is 100 discs.
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