3M Flap Disc 769F

3M Flap Disc 769F is a high‑performance abrasive disc designed for versatility and value in weld grinding, beveling, edge deburring and surface preparation.

Key Features

• Powered by 3M Precision‑Shaped Grain for faster cutting and longer life
• Open‑coat polyester backing for durability in high‑pressure applications
• Available in T27 and T29 attachment types with multiple grit options (40+, 60+, 80+, 120+)
• Provides a finish one grade finer than comparable fiber discs, enabling grind‑and‑finish in a single step

Specifications

• Overall Diameter: 4.5 in, 5 in, 7 in (114.3 mm, 127 mm, 177.8 mm)
• Center Hole Diameter: 0.875 in (22.225 mm)
• Arbor/Thread Size: 5/8"‑11
• Disc Type: T27, T29
• Grit: 40+, 60+, 80+, 120+
• Abrasive Material: Precision Shaped Ceramic
• Backing Material: Polyester (Open Coat)
• Bond Type: Resin
• Maximum Speed: 8 600 rpm, 12 000 rpm, 13 300 rpm (depending on size)

Applications

• Weld grinding
• Beveling
• Edge deburring
• Blending
• Finishing
• Surface preparation
• Scale removal
• Weld spatter removal