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  6. 3M™ Fibre Disc 985C, 7 in x 7/8 in 50, 25 per inner 100 per case Boxed

3M™ Fibre Disc 985C, 7 in x 7/8 in 50, 25 per inner 100 per case Boxed

3M ID 60440207417UPC 50051111559739
  • 3M™ Ceramic Abrasive Grain offers exceptional performance in medium to high pressure applications
  • Ceramic grain requires less pressure, reducing operator fatigue
  • Stiff fiber backing provides the durability needed for heavy stock removal and high-pressure weld leveling
  • 7/8 inch center hole mount is compatible with 3M™ disc pad face plates and hubs, and requires the use of a disc retainer nut (all sold separately)
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Specifications
Abrasive Material
Ceramic
Backing Material
Fibre
Center Hole Diameter (Metric)
22,098 mm
Coat Type
Closed Coat
Grit
50
Industries
Metalworking
Maximum Speed
8600 rpm
Overall Diameter (Metric)
177,8 mm
Product Form
Disc
Product Key
985C
Sub Industries
Metal Fabrication
Product Details
  • 3M™ Ceramic Abrasive Grain offers exceptional performance in medium to high pressure applications
  • Ceramic grain requires less pressure, reducing operator fatigue
  • Stiff fiber backing provides the durability needed for heavy stock removal and high-pressure weld leveling
  • 7/8 inch center hole mount is compatible with 3M™ disc pad face plates and hubs, and requires the use of a disc retainer nut (all sold separately)
  • Resin bond withstands heat and stabilizes the disc under pressure and heat to increase productivity

3M™ Fibre Disc 985C offers an exceptionally fast cut and extreme durability for high-pressure applications on all metals by incorporating 3M™ Ceramic Abrasive Grain and a grinding aid on a stiff fiber backing. Designed for both long life and superior performance in aggressive, heavy-duty applications, ceramic fiber discs minimize edge wear, enhance productivity, and reduce material consumption.

Our Fibre Disc 985C incorporates a grinding aid to keep the workpiece cooler, protecting heat-sensitive alloys from heat damage and reducing re-work. Choose this disc for high-pressure stock removal, weld leveling, and beveling on all metals, especially stainless steel. The disc is resin-bonded to withstand high heat and pressure in demanding applications. 3M™ Ceramic Abrasive Grain exceeds conventional abrasives in durability, disc life, and cut-rate, offering greater throughput in less time. Additionally, less pressure is required to achieve maximum performance, in turn reducing operator fatigue and extending tool life. 3M™ Ceramic Abrasive Grain is a 3M proprietary ceramic mineral formed using a process to enhance toughness and hardness of the grain. It is chemically engineered with a unique "stay sharp" crystalline structure, which continually self-sharpens cutting edges on the surface of the disc, ensuring extended high performance in high pressure production environments, even on the toughest materials. These discs enable operators to do more work in less time, for significant gains in productivity. Fiber discs are heavy-duty discs ideal for weld removal, grinding, and blending large and small areas of metal surfaces. They feature a tough, stiff backing made from vulcanized fiber that resist wear and can handle tough grinding applications. Fiber discs with a 7/8 inch center hole are mounted onto a right angle sander. They are secured to the disc pad hub and face plate with a compatible disc retainer nut (all sold separately). For optimal performance, the disc should be used with a face plate of the appropriate density for the application—a lighter density face plate for fine grade grinding applications, and a harder density face plate for coarse grade grinding applications. Using the correct face plate for the application ensures that the abrasive mineral will continually re-sharpen, maximizing the life of the abrasive.

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