Blue Spot Tools 115mm 4.5" 120 Grit Flap Sanding Grinding Disc 19687 Bluespot

Blue Spot Tools 115mm 4 1/2 inch 120 grit Aluminium Oxide Flap Sanding Grinding Disc - 19687 Bluespot

MPN: 19687

Barcode: 5028734196870

Size: 115mm 4-1/2"

Bore Size: 22.2mm

Grit Grade: 120g Fine

Grit Type: Aluminium Oxide

Product Overview:

The Blue Spot Tools Fine 120 Grit Aluminium Oxide Flap Disc is specifically engineered for fine sanding and finishing work on metal surfaces. Designed to be used with standard 115mm (4½ inch) angle grinders, this disc features a conical Type 29 shape that offers excellent control on contoured edges and curved surfaces.

Ideal for tasks requiring a smooth, polished finish, the 120 grit rating provides a refined abrasive action that’s perfect for final surface prep, blending welds, or removing light rust and coatings. The disc’s depressed centre and premium aluminium oxide construction ensure durability and precision throughout extended use.

Key Features:

• 120 grit flap disc for fine finishing and surface prep

• Type 29 conical profile for edge and contour grinding

• Depressed centre design improves disc stability

• Designed for use on alloy steels, stainless steel and mild steel

• Made from high-quality aluminium oxide for consistent performance

• Universal fit for all 115mm angle grinders with a 22.2mm bore

Specification Main Points and Typical Uses:

• Disc Size: 115mm (4½ inch)

• Bore: 22.2mm

• Grit Grade: 120 (Fine)

• Abrasive Type: Aluminium Oxide

• Disc Type: Type 29 – Conical Flap Disc

• Shape: Depressed Centre

• Max Speed: 13,280 RPM / 80 m/s

• Application: Suitable for most angle grinders

  Typical Uses:

  • Fine finishing and polishing of metal surfaces

  • Blending and smoothing weld seams

  • Light rust, stain and coating removal

  • Ideal for stainless steel, mild steel, alloy metals

  • Pre-paint surface preparation

How The Grit Grades Work:

• 40 grit being coarse 120 grit being the finest.

Frequently Asked Questions:

• What does 120 grit mean?
  It indicates a fine abrasive, designed for finishing work rather than heavy material removal.

• Is this disc suitable for stainless steel?
  Yes, it’s ideal for stainless steel and other alloys where fine finishing is required.

• Can I use this on wood?
  While it's designed for metal, it can be used lightly on hardwoods, but is not optimal for woodworking.

• What’s the benefit of the Type 29 shape?
  The conical profile allows better contact with curved edges and angled surfaces.

• Is this flap disc compatible with my angle grinder?
  It fits any 115mm (4½ inch) grinder that accepts a 22.2mm bore.

• What safety gear should I wear?
  Always use protective eyewear, gloves, a dust mask, and ear protection when using abrasive discs.