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Walter Coolcut 4-1/2" Fibre Discs 80 Grit (5-Pack)

$8.12/ea $25.40/5 per each only $5.08/eaSave 37%

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OVERVIEW

Reliable Weld Blending and Surface Prep

For professional welders and fabricators, time is money, and the quality of your consumables directly impacts your bottom line. The Walter 15C458V Coolcut 4-1/2" Sanding Disc (80 Grit) is built to handle the rigors of the welding shop. Sold in a convenient pack of 5, these fibre discs are the go-to solution for everyday steel fabrication tasks, offering a dependable cut without breaking the bank.

When prepping a joint for welding or cleaning up after a pass, you need an abrasive that bites. The Coolcut series features high-grade aluminum oxide grains that are electrostatically aligned. This technology ensures that the sharpest points of the grain face the metal, delivering an aggressive initial cut that maintains its consistency throughout the life of the disc. The 80 grit specification is versatile: use it for knocking down spatter, blending light welds, or stripping mill scale and rust to reveal clean, bare metal ready for the arc.

Durability is a key feature of the Coolcut line. The heavy-duty fibre backing resists tearing and edge fraying, even under the pressure of aggressive grinding. This means fewer disc changes and more arc-on time. Furthermore, the cool cutting action helps prevent the workpiece from overheating, which is essential for maintaining the mechanical properties of the steel and avoiding rework due to heat tint.

These discs are designed for use with standard 4-1/2" angle grinders equipped with a backing pad. Their consistent finish and removal rate make them a staple in fabrication shops, maintenance departments, and on job sites. Whether you are manufacturing heavy equipment or performing general repairs, trust Walter Coolcut discs to provide the surface finish you need efficiently and safely.

Additional Information
Diameter:4.5" (4-5)
Grit:80
Packaging Description:5 per each (5-per-each)
Used To Sand:Steel
Brand:Walter Surface Technologies
Abrasive Material:Aluminum Oxide
Backing Type:Fibre
Application Method:Electrostatic
Product Line:Coolcut

INCLUDED

  • 5 x Coolcut 4-1/2" 80 Grit Sanding Discs

APPLICATIONS

  • General purpose sanding of steel components
  • Removal of light welds and spatter
  • Surface cleaning and rust removal
  • Blending and finishing metal surfaces
  • Preparation for painting or coating
  • Deburring sharp edges after cutting

FAQ

The Walter Coolcut discs are specifically designed for general purpose sanding on steel and other ferrous metals.

Yes, these are fibre discs and must be used with a compatible backing pad on your angle grinder to ensure safety and proper performance.

This specific SKU (15C458V) is an 80 grit disc, suitable for intermediate sanding, light weld removal, and finishing.

This package contains 5 individual sanding discs.

While it can physically cut stainless steel, Walter recommends their Topcut or Coolcut XX lines for stainless steel to prevent contamination and achieve better performance. These Coolcut discs are optimized for mild steel.

These are 4-1/2 inch (115mm) diameter discs, the standard size for most small angle grinders.

Coolcut discs use an electrostatic grain application for even wear and a special formulation to reduce heat buildup, preventing workpiece discoloration.

For heavy stock removal, a coarser grit like 36 or 50 would be faster. This 80 grit disc is better suited for light removal, blending, and finishing.