3M 779904 Disco de fibra abrasivo, 125 mm de diámetro, 22 mm de perforación, 25 unidades

With a 125 mm diameter and 22 mm bore, this 3M fiber sanding disc delivers aggressive stock removal on metal and stainless steel. The vulcanized fiber backing resists tearing during high-pressure grinding, while the resin-over-resin bond keeps abrasive grains cutting longer.

Overview

The 3M 779904 is a flat (Type 27) fiber sanding disc designed for angle grinders. It handles general-purpose grinding, deburring, weld blending, and stock removal. Each pack contains 25 discs.

What stands out

• Vulcanized fiber backing for durability and tear resistance
• Resin-over-resin bonding for extended disc life
• Dry grinding on metal and stainless steel
• Pack of 25 discs for production efficiency

Technical details

• Disc diameter: 125 mm
• Bore diameter: 22 mm
• Disc shape: Flat (Type 27)
• Backing material: Vulcanized fiber
• Bonding type: Resin over resin
• Application: General purpose grinding, deburring, stock removal, weld blending
• Tool compatibility: Angle grinders
• Usage condition: Dry grinding
• Material compatibility: Metal, stainless steel

Our verdict

A reliable fiber disc for everyday metalworking tasks. The 25-piece pack keeps your grinder stocked and your workflow uninterrupted.