Buy Indasa 5" Rhynogrip Red Line 5-Hole Vacuum Sanding Discs, 520 Series

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Grit: 40
Price:
Sale price$23.64 Regular price$39.00

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Description

Indasa 5" Rhynogrip Red Line 5-Hole Vacuum Sanding Discs (520 Series) are premium aluminum-oxide hook & loop discs with a 5-hole dust-extraction pattern for clean, dust-free sanding on a vacuum-ready DA sander. Red Line delivers Indasa's highest cut rate and longest life. Available 40–2000 grit.

Why pros choose Indasa Red Line

  • 5-hole dust extraction for a cleaner panel, better visibility and longer disc life
  • High initial cut with anti-clog lubricant coating
  • Flexible backing for curves and contours
  • Uniform scratch pattern and anti-static, dust-repellent build
  • Nylon hook & loop runs cooler than PSA

Best applications

  • Body filler, primer, paint and clearcoat prep
  • Blending and refinishing on contoured panels
  • Fiberglass, gelcoat, solid surfaces and metals

Grit selection guide

  • 40–80: heavy stock removal & filler leveling
  • 120–180: filler shaping & primer prep
  • 220–400: final prep before topcoat
  • 500–2000: denibbing & fine finishing before polishing

Compares to

A premium alternative to 3M Hookit Gold & Purple, Mirka Gold & Q.Silver, and Norton A275 / A975 Dry Ice.

Specifications

  • Abrasive: premium aluminum oxide  |  Backing: hook & loop (grip)
  • Disc size: 5" with 5-hole vacuum pattern
  • Grit range: 40 to 2000  |  Series: Indasa 520 Series

Frequently asked questions

Which backup pad do I need?
A 5" 5-hole hook & loop backup pad so the holes line up for extraction. Shop Grip Backup Pads.

Do I need a vacuum sander?
For dust-free results, yes — pair with a vacuum-ready sander and extractor. They still work without, but holes are most effective with extraction.

Red Line vs White Line?
Red Line is the premium, longest-life, highest-cut line; White Line is the everyday line.

Part of the Indasa Red Line series. See also the solid 5" (510) and 8-hole 5" (550) Red Line discs.

BuyIndasa.com is the dedicated Indasa store from UnitedFinish.com — for Mirka and 200+ other refinishing brands, visit UnitedFinish.com.

  • Old Paint
  • Fillers
  • Primers
  • Top Coats
  • Clear Coats
  • Fiberglass/Gelcoat
  • Solid Surfaces
  • Metals
  • Wood and Wooden Floors
  • High initial cutting power for rapid stock removal
  • Exceptional flexibility that adapts to curves and contoured surfaces
  • A uniform scratch pattern ensures optimal surface preparation
  • The clog-resistant design extends working life significantly
  • Anti-static and dust-repellent properties
  • Premium aluminum oxide mineral grains for efficient stock removal
  • Easy-release Hook & Loop style grip system for effortless attachment
  • The nylon hook & loop system runs cooler compared to PSA adhesive designs
  • A/C/D weight backing paper with velour grip
  • Aluminum oxide abrasive
  • Modified synthetic resin bonding
  • Grip backing** compatible with hook and loop backup pads
  • 5" discs with a 5-hole vacuum pattern
  • Available in grits ranging from 40 to 2,000, with 50 discs per box
  • Indasa 520 Series, Part #: 520-GRIT

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