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🔩 Tackling large surfaces like wood tabletops, metal sheets, or boat hulls demands a disc that cuts consistently without falling apart or clogging. These 5″ to 8″ wet and dry sanding discs are built for that kind of work, using long‑lasting aluminum oxide abrasive that keeps exposing sharp edges as it wears. The hook & loop cloth backing attaches in seconds to your random orbital sander or rotary polisher, and the flexible round disc hugs flat and gently curved panels for an even scratch pattern. Use them wet to control dust and keep the disc cool on paint and gelcoat, or sand dry on wood and metal — either way, you get professional results on automotive bodywork, furniture, plastic trim, glass, and stone with far fewer disc changes.
| Available Diameters | 5 inch (125 mm) • 6 inch (150 mm) • 7 inch (180 mm) • 8 inch (200 mm) |
|---|---|
| Shape | Round |
| Abrasive Material | Long‑lasting aluminum oxide |
| Backing Type | Hook & loop cloth (easy stick‑on, peel‑off) |
| Usage Condition | Wet or dry (waterproof) |
| Compatible Tools | Random orbital sanders, rotary polishers, hand sanding blocks with hook backing |
| Recommended Applications | Wood sanding, metal cleaning, automotive paint prep, plastic finishing, plaster smoothing, glass etching, stone polishing |
| Note | Hand‑measured dimensions may vary slightly; lower grit number = coarser grit |
Yes, they are fully waterproof. The hook & loop cloth is bonded to a water‑resistant base that holds its grip even when soaked. Wet sanding actually extends disc life by reducing heat and preventing the abrasive from loading up with dust.
Aluminum oxide is exceptionally durable on wood, metal, and painted surfaces. Its self‑sharpening property means it keeps cutting as the grains fracture, often outlasting cheaper silicon papers. For general‑purpose sanding and paint prep, you’ll get more square feet per disc.
Always buy the disc that matches your backing pad diameter. Using a larger disc risks it catching on edges and tearing, or throwing the sander off balance. Pick the exact size — 5″ for 5″ pads, 6″ for 6″ pads, and so on — for safe, efficient sanding.
Start with a coarse grit like 60–80 to cut through the old paint layers quickly. Then move to 120–180 to smooth out the scratch marks left by the coarse grit, and finish with 220–320 before priming. This product listing covers multiple grits — check the options and select the range that fits your project stage.
They work well for smoothing stone crafts and chamfering glass edges, especially when used wet. For a polished, glossy finish on stone, step through finer grits (800–1500 and above) progressively for a smooth result. Always use water to keep the glass and stone dust under control.
