Indasa 6" Ceramic Multi-Hole Vacuum Sanding Discs – Rhynogrip HT Line Ultravent, 80–1500 Grit (8660 Series)

Indasa 6" Rhynogrip HT Line Ultravent Multi-Hole Sanding Discs (8660 Series) are Indasa's high-performance ceramic abrasive — the fastest-cutting, longest-life discs in the range, built for hard modern clearcoats, e-coats and high-strength steel. The Ultravent multi-hole pattern (fits 15 / 21 / 57-hole pads) delivers superb dust extraction. Available 80–1500 grit.

Why pros choose Indasa HT Line

• Ceramic grain cuts faster and lasts far longer than aluminum oxide
• Ultravent multi-hole for maximum dust extraction (15/21/57-hole compatible)
• Stays sharp under heat — ideal for hard clearcoats and metal
• Hook & loop attaches fast and changes clean

Best applications

• Hard modern clearcoats and e-coats
• High-strength steel, aluminum and weld dressing
• Heavy production prep where disc life matters

Grit selection guide

• 80–120: fast stock removal & coating removal
• 150–220: filler/primer prep
• 320–500: final prep before topcoat
• 600–1500: fine finishing & denibbing

Compares to

A premium alternative to 3M Cubitron II, Mirka ceramic, and Norton ceramic abrasives.

Specifications

• Abrasive: ceramic  |  Backing: hook & loop (grip)
• Disc size: 6" Ultravent multi-hole (15/21/57-hole compatible)  |  Grit range: 80 to 1500
• Series: Indasa 8660 / HT Line

Frequently asked questions

What makes HT Line different?
HT Line uses a ceramic grain that self-sharpens and resists heat — it cuts faster and lasts much longer than standard aluminum oxide, especially on hard clearcoats.

Which backup pad?
A 6" Ultravent / multi-hole hook & loop pad. Shop Grip Backup Pads.

Part of the Indasa HT Line series.