Discs
Pro
Grit · 80-400 assorted
Mirka Gold 5-inch Hook & Loop Disc Assortment
Clicks in smooth. Finnish-made. Doesn't ask you to stop.
Discs
For random orbital and angle sanders.
This lineup leans hardest into fine furniture, weld prep, metal fabrication, angle grinder. Start with the form, then narrow by grit and price tier.
Reviewed
23
Current picks in this form factor.
Common grit lanes
5
Relevant grit pages currently connected to this form.
Head to head
4
Comparison pages featuring this format right now.
Choose this form when
The tool shape matches the job.
- · Reach for discs when you already run a hook-and-loop random orbital and want fast, even coverage across broad ground.
- · Reach for discs when you care about a clean scratch pattern and climbing grits without a fight.
Skip this form when
Another format will get there faster.
- · Leave it if the work is edges, profiles, and tiny repairs — those are easier to control by hand.
- · Leave it if you do not own the matching sander and have no plans to buy into a machine workflow.
Starting points
Good places to enter this category.
Discs
Mid
Grit · 600-1500 assorted
3M Wetordry Assorted Pack — 600 to 1500 Grit
The grits between the rough work and the reveal.
Discs
Budget
Grit · 120
Diablo 5-inch ROS Discs — 120 Grit (50-pack)
50-pack. Go through them fast. Always have more.
Discs
Pro
Grit · 80-400 assorted
Mirka Gold 5-inch Hook & Loop Disc Assortment
Clicks in smooth. Finnish-made. Doesn't ask you to stop.
Finnish-made, stearate-coated so they don't load mid-stroke. Auto-body finishers keep a stack and don't explain themselves to anyone.
Discs
Budget
Grit · 120
Diablo 5-inch ROS Discs — 120 Grit (50-pack)
50-pack. Go through them fast. Always have more.
50 discs at 120 grit. For the kind of work where you go through them fast and aren't planning to slow down.
Discs
Pro
Grit · 120
3M Cubitron II Hookit Disc 5-inch
Precision-shaped grain. Finds the angle and works it deep.
Each grain is precision-shaped to a cutting edge. It doesn't rub — it cuts. The first pass tells you everything you need to know.
Discs
Pro
Grit · 50-3000 set
Diamond Hand Polishing Pad Set (50-3000 grit)
For the hard surfaces that don't open up for just anything.
For the surfaces that don't let just anything in. Diamond grain on stone, glass, and ceramic is a completely different sensation from regular abrasives.
Discs
Pro
Grit · 3000
3M Trizact P3000 Hookit Disc
3000-grit pyramid grain. Smooth all the way through. Reads like silk.
Pyramid-cut grain runs smooth and consistent all the way to the edge of the disc. Auto-body finishers call it cheating. We call it knowing what you're doing.
Discs
Mid
Grit · 600-1500 assorted
3M Wetordry Assorted Pack — 600 to 1500 Grit
The grits between the rough work and the reveal.
The grits that live between the coarse work and the mirror finish. Wet or dry, silicon carbide cuts both ways.
Discs
Pro
Grit · 80-320 assorted
Mirka Abranet 5-Inch Mesh Sanding Discs (50-pack)
Dust goes through the disc instead of loading it. The math changes.
Net construction means the dust goes straight through instead of loading the surface. Lasts noticeably longer than anything solid. The first one you try explains the reputation.
Discs
Budget
Grit · 220
Diablo 5-Inch ROS Discs — 220 Grit (50-pack)
50 discs at 220. No reason to skip the step.
50 discs at 220 means you never shortchange the final step. Between coats, before stain, after the 150. Change them when they stop cutting.
Discs
Pro
Grit · 80-400 assorted
Festool Granat 5-Inch Disc Set — Multi-Grit (25-pack)
The disc the Festool deserves. Everything else is settling.
German ceramic grain in an engineered pattern that loads slower and cuts cleaner. Makes the sander beneath it perform the way it was designed to.
Discs
Mid
Grit · 320
3M Hookit 5-Inch Disc — 320 Grit (25-pack)
Between coats. Every time. No excuses.
320 is between-coat territory. Knocks down nibs without touching what's underneath. The grit that gets used more than it gets talked about.
Discs
Budget
Grit · 80-320 assorted
Sungold Abrasives 5-Inch Gold Hook & Loop Discs (100-pack)
A hundred discs. Change them when they're done, not when you run out.
A hundred discs at a price that lets you change them when they're done instead of when you can afford to. The working shop alternative to premium disc packs.
Discs
Mid
Grit · 60
Diablo 4.5-Inch Flap Disc — 60 Grit (Type 29)
Zirconia at 60. Goes through weld and rust like it's been waiting.
Zirconia flap on an angle grinder backing. Cuts through metal, welds, and old paint without loading. Faster than grinding, smoother than a cutoff wheel.
Discs
Pro
Grit · 5000
3M Trizact P5000 Hookit Disc
Where orange-peel becomes mirror prep. Pyramid grain keeps it clean.
Final polish prep. Pyramid grain pattern keeps the surface from loading. Takes the orange-peel out and hands it off to compound ready to shine.
Discs
Pro
Grit · 120
3M Trizact A3 Hookit Disc — 120 Grit
Three times faster than silicon carbide. The aggressive opener.
Aggressive pyramid grain that cuts three times faster than conventional silicon carbide. For metal work, bodywork prep, and anything that needs serious volume removed fast.
Discs
Budget
Meguiar's Foam Applicator Disc Set (5-pack)
Soft foam. Even application. The step between grit and gloss.
Soft foam takes compound or polish without splatter. The application step that turns your arm into a precision tool.
Discs
Pro
Grit · 120-400 assorted
Mirka Trizact 5-Inch Disc Set — Multi-Grit (25-pack)
Finnish precision. Pyramid grain. The finishing stack.
Finnish-made pyramid grain in the grits that matter for auto finishing. Cuts fast, loads slow, finishes clean.
Discs
Mid
Grit · 80
Forney 71919 4.5-Inch Flap Disc — 80 Grit
The step between 60 and finish on metal.
Zirconia flap on an angle grinder backing. Medium aggression for weld cleanup and prep without the deep bite of 60.
Discs
Pro
Grit · 60-120 assorted
Mirka 4.5-Inch Zirconia Flap Disc Mix (10-pack)
Doesn't clog. Backing stays true. Made for the angle grinder.
German zirconia on a flap backing. Cuts metal, doesn't clog, and the backing stays true without warping.
Discs
Budget
Grit · 60-120 assorted
Gator 4.5-Inch Zirconia Flap Disc Variety (15-pack)
15 discs. Three grits. Metal work at cost.
Three grits, affordable. The metal shop alternative when quantity matters more than premium backing.
Discs
Pro
Grit · 80-320 assorted
Mirka Abranet Gold 5-Inch Mesh Discs (25-pack)
Dust through, cutting consistent. The gold standard.
The gold standard for mesh. Dust goes through, cutting stays consistent, finish shows no loading marks.
Discs
Mid
Grit · 80-320 assorted
SunMight Gold 5-Inch Disc Pack — Multi-Grit (50-pack)
Russian tech. Faster cutting. Fifty discs at a real price.
Russian abrasive tech. Faster cutting than aluminum oxide. Fifty discs, full grit range, price that doesn't embarrass the shop.
Discs
Mid
Grit · 60-320 assorted
Klingspor PS23 5-Inch Sanding Disc Set (50-pack)
German-made. Zirconia grain. The serious alternative.
German engineering. Zirconia grain in five grits. Loads slower than aluminum oxide, cuts faster, finishes cleaner.
Discs
Pro
Grit · 80-400 assorted
Festool Granat 6-Inch Disc Set (25-pack)
Six-inch format. Festool quality. Everything the name promises.
Larger format for 6-inch sanders. Same German engineering, same pyramid grain pattern that makes every pass count.
Head to head
Comparisons featuring this form.
Mirka Gold 5-inch Hook & Loop Disc Assortment vs. Diablo 5-inch ROS Discs — 120 Grit (50-pack)
Finnish precision or American volume.
Read the comparison →
3M Wetordry — 3000 Grit vs. 3M Trizact P3000 Hookit Disc
Same grit. Very different conversation.
Read the comparison →
Diablo 5-inch ROS Discs — 120 Grit (50-pack) vs. 3M Cubitron II Hookit Disc 5-inch
Fifty cheap discs or one disc that cuts like five.
Read the comparison →
Mirka Gold 5-inch Hook & Loop Disc Assortment vs. 5-Inch Random Orbital Sander + Disc Starter Bundle
You either have the sander or you don't.
Read the comparison →
Buyer questions
What people actually need to know.
When should you choose discs?
Reach for discs when you already run a hook-and-loop random orbital and want fast, even coverage across broad ground.
What jobs show up most often in this discs lineup?
Discs on UltraRough show up most often around fine furniture, weld prep, metal fabrication, and angle grinder. That is where this form earns its place.
Which grit lanes matter most for discs?
Start with 40 grit, 60 grit, 80 grit, and 100 grit. Those are the numbers this form most often overlaps with in the current catalog.
Keep moving
Useful next clicks.
40 gritHeavy stock removal, paint stripping, rough lumber.60 gritAggressive shaping, rust removal, knocking down old finish.80 gritThe first real pass on hardwood. Where most projects begin.Use the grit selectorStart from the project and let the grit path narrow the options.Read the grit chartGet the full context for the grit numbers in this form.Browse all reviewsJump out of this form and compare the full catalog.