Indasa 6" Rhynogrip Red Line Solid Sanding Discs (620 Series) are premium aluminum-oxide hook & loop discs built for fast, clean cutting on body filler, primer, paint and clearcoat. The 6-inch solid (no-hole) format is the body shop standard for dual-action panel prep, blending and finishing. Available in 40–2000 grit, 50 discs per box.
Why pros choose Indasa Red Line
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High initial cut for rapid stock removal
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Anti-clog lubricant coating for a very long working life
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Flexible backing that conforms to curves and contours
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Uniform scratch pattern for a consistent, easy-to-refine finish
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Anti-static & dust-repellent for cleaner work
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Nylon hook & loop attaches fast and runs cooler than PSA
Best applications
- Old paint, fillers and primers
- Top coats and clear coats
- Fiberglass & gelcoat, solid surfaces and metals
- Automotive panel prep, blending and refinishing
Grit selection guide
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40–80: heavy stock removal, stripping, leveling filler
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120–180: filler shaping and primer prep
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220–400: final paint/primer prep before topcoat
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500–800: denibbing and clearcoat prep
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1000–2000: wet/dry finishing before polishing
Works on
Body fillerPrimerPaintClearcoatFiberglassGelcoatMetalWood
Complete the system
Build the whole job with matching gear:
Quality you can trust: made by Indasa — ISO 9001 / IQNET-certified manufacturing, backed by the Indasa Academy and 45+ years of abrasive expertise.
Compares to
A premium, professional-grade alternative to 3M Hookit Gold & Purple, Mirka Gold & Q.Silver, and Norton A275 / A975 Dry Ice.
Specifications
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Abrasive: premium aluminum oxide
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Backing: paper with velour grip (hook & loop)
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Disc size: 6" solid (no holes)
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Grit range: 40 to 2000 | Pack: 50 discs per box
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Series: Indasa 620 Series
Frequently asked questions
Do these need a backup pad?
Yes — use a 6" hook & loop backup pad. Shop Grip Backup Pads.
Solid or vacuum discs?
These are solid (no holes). For dust extraction choose a 6" multi-hole (630/640/690) or mesh Red Line disc.
Red Line vs White Line?
Red Line is the premium, longest-life line with the highest cut rate; White Line is the everyday line.
Part of the Indasa Red Line series. Also available in 3" (320), 5" (510) and 8" (820) sizes.
