VR 561 Aluminium Oxide Resin Fiber Disc

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The VR/FR 561 is a premium aluminium oxide fiber disc on vulcanised fiber backing, made for deburring, light material removal, and finishing on mild steel and sheet metal fabrication. Jumbo-coated grain coverage means more cutting points per square centimetre — the disc works the surface evenly without the operator having to compensate for uneven grain distribution with increased pressure.

Key Specifications

Dimension 100 × 16 mm (4" × 5/8") | 115 × 22.23 mm (4.5" × 7/8") | 125 × 22.23 mm (5" × 7/8") | 180 × 22.23 mm (7" × 7/8") | 230 × 22.23 mm (9" × 7/8")

Backing Material Vulcanised fiber

Type of Grain Premium Aluminium Oxide

Type of Coating Close Coat

Grit Ranges

100

120

Brand: CUMI

Information Material:

Product Catalogue

Additional Details

Type of Usage Machine Sanding

Bond Type Resin

Grid Range Extra Coarse to Medium

Shelf Life 2 Years from the Date of Manufacture

Product Information

Benefits

- Even grain distribution delivers consistent material removal across the full disc face

- No dead zones that force the operator to rework the same area

- Vulcanised fiber backing provides rigidity under grinding pressure without cracking or delaminating

- Close coat construction gives the cutting density needed for clean deburring on mild steel edges and weld toes

Advantage

- Jumbo coating increases active grain coverage over standard coated fiber discs

- More material removed per disc, lower cost per component on sheet metal fabrication lines

Features

- Premium aluminium oxide grain on 0.8mm/0.6mm vulcanised fiber backing with close coat

- Jumbo coating for maximum grain coverage and even cut across the disc face

- Compatible with standard angle grinder backing pads for MS and sheet metal fabrication

Product Uses