3M Cubitron II Fibre Disc

The 3M Cubitron II Fibre Disc 987C is a heavy‑duty fibre‑backed grinding disc that uses 3M Precision‑Shaped Ceramic grain for fast cutting and long life. It is designed for high‑pressure weld grinding, beveling and other demanding metalworking applications.

Key Features

• 3M Precision‑Shaped Grain delivers super‑sharp cutting points and self‑sharpening action
• Mineral runs cooler, extending disc life and reducing change‑outs
• Stiff fibre backing with a strong resin bond for durability in high‑pressure use
• Grinding aid incorporated to minimize heat buildup on heat‑sensitive alloys

Specifications

• Abrasive Material: Precision Shaped Ceramic
• Backing Material: Fibre
• Bond Type: Resin (closed coat)
• Grit Sizes: 36+, 60+, 80+
• Attachment Types: Center Hole, TN, GL
• Maximum Speed: up to 15,000 rpm (depending on size)
• Available Overall Diameters: 4 in, 4.5 in, 5 in, 7 in, 9.125 in
• Product Color: Orange

Applications

• Heavy duty metalworking and weld grinding
• Flame‑cut edge cleanup and beveling
• High‑pressure grinding and right‑angle grinding
• Edge chamfering, gate removal and metal stock removal
• General surface preparation and deburring