Indasa 6" 8-Hole Vacuum Sanding Discs – Rhynogrip Red Line, Hook & Loop, 36–600 Grit (640 Series)

Indasa 6" Rhynogrip Red Line 8-Hole Vacuum Sanding Discs (640 Series) are premium aluminum-oxide hook & loop discs with an 8-hole dust-extraction pattern for clean, dust-free sanding on a vacuum-ready 6" DA sander. Red Line delivers Indasa's highest cut rate and longest life. Available 36–600 grit.

Why pros choose Indasa Red Line

• 8-hole dust extraction for a cleaner panel and longer disc life
• High initial cut with anti-clog lubricant coating
• Flexible backing for curves and contours
• Uniform scratch pattern, anti-static and dust-repellent
• 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

• 36–80: heavy stock removal & filler leveling
• 120–180: filler shaping & primer prep
• 220–400: final prep before topcoat
• 500–600: fine prep & denibbing

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: 6" with 8-hole vacuum pattern
• Grit range: 36 to 600  |  Series: Indasa 640 Series

Frequently asked questions

Which backup pad do I need?
A 6" 8-hole hook & loop backup pad so the holes line up. Shop Grip Backup Pads.

Which 6-inch Red Line vacuum disc is right for my sander?
Match the hole count to your pad/sander: 6-hole (630), 8-hole (640), 9-hole (690) or 17-hole (690-17).

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 6" (620) Red Line disc.