3M Cubitron II Flap Disc

The 3M Cubitron II Flap Disc 969F is a high‑pressure abrasive disc designed for aggressive grinding tasks such as beveling, weld removal, and edge deburring. It combines a durable polyester backing with 3M Precision‑Shaped Grain for fast, consistent cuts and a smooth finish.

Key Features

• Precision‑Shaped Ceramic grain for rapid cutting and long life
• Durable polyester backing for high unit pressure applications
• Available in T27 and T29 disc types
• Grinding aid helps keep the disc cool on heat‑sensitive metals
• Lower risk of gouging compared with fiber discs

Specifications

• Overall Diameter: 4 in, 4.5 in, 5 in, 7 in (101.6 mm, 114.3 mm, 127 mm, 177.8 mm)
• Center Hole Diameter: 0.625 in / 0.875 in (15.875 mm / 22.225 mm)
• Center Hole Thread Size: 3/8"‑24, 5/8"‑11
• Disc Type: T27, T29
• Grit Options: 40+, 60+, 80+
• Maximum Speed: 8 500 rpm – 15 000 rpm (depending on size)
• Backing Material: Polyester
• Abrasive Material: Precision‑Shaped Ceramic
• Bond Type: Resin

Applications

• Beveling
• Edge deburring
• Aggressive weld removal
• General right‑angle grinding and finishing