3M 34405 – 600 Grit Hookit™ Flexible Abrasive Disc (6 in, 25 Pack)

3M 34405 P600 Hookit™ Flexible Abrasive Disc (6 in, 25 Pack) is a professional-grade sanding disc designed for fine surface preparation and final primer refinement in automotive collision repair and refinishing applications. The P600 grit precision abrasive delivers a consistent, uniform scratch pattern, making it ideal for final primer sanding and surface preparation prior to basecoat or clearcoat application. Engineered with a flexible backing, the disc conforms to curves and body lines for even contact across contoured panels. The Hookit™ hook-and-loop backing allows for quick disc changes and secure attachment to standard 6-inch random orbital sanders, improving workflow efficiency in professional body shop environments.

Key Features

• Abrasive: Ideal for final primer sanding and surface preparation before topcoat
• Construction: Conforms to panel contours for smooth, consistent sanding
• Backing: Enables fast disc changes and secure attachment 6 in
• Diameter: Compatible with standard 6-inch random orbital sanders
• Mineral: Provides reliable cut and extended disc life 25
• Pack: Suitable for professional automotive refinishing use

Frequently Asked Questions

What pad do I need for Hookit discs?

Use a 6-inch Hookit (hook-and-loop) backing pad like the 3M 05776.

What's the difference between Hookit and Stikit?

Hookit uses hook-and-loop (Velcro-style) attachment — discs can be removed and reattached. Stikit uses PSA adhesive (single-use). Hookit is preferred for frequent grit changes.

How many discs in a pack?

Each pack contains 50 discs.