Specifications:

• Brand: 3M
• Series: Cubitron II
• Model: 7000000393 / 982C
• Product Type: Fibre Disc
• Abrasive Mineral: Precision Shaped Ceramic
• Grit: 36+
• Disc Diameter: 7 in
• Arbor Hole: 7/8 in
• Backing Material: Fibre
• Grade: Extra Coarse
• Attachment Method: Arbor Mount
• Maximum Speed: 8,600 rpm
• Die Type: 700BB
• Packaging: Carton of 25

Ideal Industries:

• Metal fabrication
• Structural steel and bridge construction
• Shipbuilding and marine repair
• Manufacturing and industrial maintenance
• Automotive and heavy equipment repair
• Energy and oil and gas fabrication

Ideal Applications:

• Heavy stock removal
• Weld grinding and blending
• Beveling and edge chamfering
• Surface leveling on metal
• Scale and oxidation removal
• Aggressive grinding prior to finishing

The 3M Cubitron II 7000000393 / 982C Fibre Disc with 36+ grit is engineered for professionals who demand fast cutting, consistent performance, and extended disc life during aggressive metal grinding applications. Built with 3M’s Precision Shaped Ceramic grain technology, this 7 inch fibre disc continuously fractures into sharp cutting points, delivering cooler cuts, reduced heat buildup, and less operator fatigue compared to conventional ceramic or aluminum oxide abrasive discs. Buyers often ask whether a 36+ grit is too aggressive for controlled work—this disc is specifically designed to remove heavy material quickly while maintaining predictable control, making it ideal for weld grinding, beveling, and surface preparation before finishing. Another common question is disc longevity; the Cubitron II grain structure significantly outlasts traditional fibre discs, reducing changeouts and improving productivity on stainless steel, carbon steel, and other hard metals. The 7/8 inch arbor mount ensures compatibility with standard angle grinders used across fabrication shops and industrial job sites. Professionals also want to know if these discs are suitable for high-pressure grinding, and the answer is yes—the rigid fibre backing and advanced ceramic grain are optimized for demanding applications where consistent cut rate matters most. Enviro Safety Products is a trusted and experienced supplier of certified PPE and industrial abrasives, helping professionals select the right 3M Cubitron II solutions for safe, efficient, and cost-effective grinding performance in real-world industrial environments.

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