3M Fibre Disc

The 3M Fibre Disc 787C is a premium fibre grinding disc designed for ultra‑rapid cutting and grinding of hard-to‑grind metals such as stainless steel and high‑nickel alloys.

Key Features

• Precision Shaped Ceramic abrasive for higher cut rates and cooler operation
• Integrated grinding aid to reduce temperatures on heat‑sensitive alloys
• Stiff fibre backing with a strong resin bond for durability and tear‑resistance
• Available in multiple grit levels (36+, 60+, 80+, 120+)
• Compatible with center‑hole, GL and TN quick‑change attachments

Specifications

• Abrasive Material: Precision Shaped Ceramic
• Abrasive Type: Fibre disc
• Backing Material: Fibre
• Bond Type: Resin
• Attachment Types: Center Hole, GL, TN
• Grit Options: 36+, 60+, 80+, 120+
• Maximum Speed: 6600 rpm up to 30 000 rpm (depending on size)
• Overall Diameter: 2 in – 9.125 in (50.8 mm – 231.775 mm)
• Center Hole Diameter: 0.125 in – 0.875 in (3.175 mm – 22.225 mm)

Applications

• Edge chamfering
• Beveling
• Deburring
• Weld removal
• Surface preparation and finishing on stainless steel and high‑nickel alloys