Blue Spot Tools Aluminium Oxide Mixed Flap Disc 115mm 19688 40 60 80 Grit Sanding Grinding

Blue Spot Tools 115mm 4.5 inch Aluminium Oxide Mixed Flap Disc Sanding Grinding - 19688 Bluespot

Grits: 40 60 80 Grit

Grades: Fine Medium and Coarse

Quantity: 6 Mixed Disc Pack

MPN: 19688

Barcode: 5028734196887

Product Overview:

Upgrade your abrasive toolkit with the Blue Spot Tools 115mm Aluminium Oxide Flap Disc 6 Pack – a high-performance sanding and grinding solution suitable for all standard 4½ inch angle grinders. This mixed grit set includes two each of 40 grit, 60 grit, and 80 grit flap discs, making it ideal for everything from aggressive stock removal to surface preparation and fine finishing.

Each disc is constructed from high-quality aluminium oxide abrasive and features a Type 29 conical profile for improved contact on edges, contours, and irregular surfaces. Designed for use on mild steel, stainless steel, alloy steel and other metals, these flap discs deliver consistent cutting power, minimal vibration, and long-lasting durability.

With a depressed centre design for added control and a 22.2mm bore, these discs are universally compatible with most 115mm grinders. Whether you're stripping paint, smoothing welds, or preparing metal for coating, this versatile mixed grit pack gives you everything you need in one convenient set.

Key Features:

• Mixed Grit Pack: Includes 2 x 40 grit (coarse), 2 x 60 grit (medium), 2 x 80 grit (fine) flap discs

• Premium Aluminium Oxide: Durable abrasive ideal for steel, stainless steel and alloys

• Type 29 Conical Profile: Better surface contact for edges and curved surfaces

• Depressed Centre: Offers improved stability and grinding control

• Universal Fit: Suitable for all 115mm (4½") angle grinders with 22.2mm bore

• Wide Application Range: Ideal for grinding, rust removal, deburring, surface prep and smoothing weld seams

Specification and Main Points:

• Disc Diameter: 115mm (4½ inch)

• Bore Size: 22.2mm

• Max Safe Speed: 13,280 RPM / 80m/s

• Disc Type: Flap Disc – Type 29 (Conical)

• Abrasive Material: Aluminium Oxide

• Pack Includes: 6 discs – 2 x 40 grit, 2 x 60 grit, 2 x 80 grit

Contents in Box:

• 40 grit
• 60 grit
• 80 grit

Understanding the Grit Grades:

• 40 Grit (Coarse): Best for heavy stock removal, weld grinding, and aggressive surface stripping

• 60 Grit (Medium): Ideal for blending welds, removing rust, and prepping metal for painting

• 80 Grit (Fine): Perfect for smoothing surfaces and refining finishes before final polishing

Common Applications:

• Grinding down weld seams

• Smoothing sharp edges

• Removing rust, paint, or coatings

• Surface prep for primer or topcoat

• Deburring sheet metal and profiles

• Suitable for construction, automotive, metal fabrication and DIY use

Health & Safety Tips:

• Always wear safety goggles, gloves, ear protection, and a dust mask when operating angle grinders.

• Ensure your grinder’s RPM rating does not exceed the maximum speed printed on the disc.

• Inspect discs for cracks or damage before use and never use damaged or worn-out discs.

Frequently Asked Questions:

• Can these flap discs be used on wood?
  They are designed for metal, but can be used lightly on hardwoods in some applications.

• Do I need a backing pad to use these?
  No, these flap discs come ready to mount directly onto any standard 115mm grinder.

• Are these suitable for stainless steel?
  Yes, the aluminium oxide abrasive is suitable for stainless and alloy steels.

• What’s the difference between Type 27 and Type 29 discs?
  Type 29 (like these) are angled/conical, ideal for edge and contour grinding, while Type 27 are flat.

• Is this a good starter set?
  Absolutely — this mixed grit pack gives a versatile range for all types of metal finishing tasks.

All Sanding Flap Discs