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09A204 - Walter 2-Inch Spinlock Zirconia Flap Disc 40 Grit

Packaging: 10 per each
$4.36/ea

Package Price:

$43.60/10 per each

Usually ships within 3-5 business days

SKU: 09A204 Categories: ,

OVERVIEW

Industrial Grade Small Diameter Grinding

The Walter 09A204 Spinlock Flap Disc is a premium abrasive solution designed for industrial maintenance, repair, and operations (MRO) where precision and efficiency are paramount. Measuring 2 inches in diameter with a coarse 40 grit, this disc is engineered to tackle aggressive stock removal tasks in hard-to-reach areas that standard 4.5-inch or 5-inch angle grinders cannot access. It utilizes a high-performance Zirconia Alumina grain blend that stays sharp longer, ensuring consistent cutting action throughout the lifespan of the product.

Efficiency in Production

In high-throughput fabrication environments, downtime associated with changing abrasives can significantly impact productivity. The Walter Spinlock system addresses this by offering a secure, quick-change mounting mechanism. Operators can switch between grits or replace worn discs in seconds with a simple twist-on, twist-off motion, eliminating the need for wrenches or specialized tools. This feature is particularly beneficial in multi-step finishing processes where an operator might switch from a grinding disc to a conditioning disc rapidly.

Cost-Effective Longevity

Unlike traditional single-layer resin fiber discs or sanding pads that load up and wear out quickly, the 09A204 features a layered flap construction. As the abrasive material wears down, new, sharp grain is exposed from the layers underneath. This self-sharpening action not only maintains a consistent finish but also extends the life of the disc by up to 20 times compared to conventional abrasives. For procurement managers, this translates to reduced inventory requirements and lower cost-per-weld, making the Walter Spinlock series a smart investment for cost-conscious facilities.

Versatile Material Compatibility

This flap disc is formulated to be a versatile workhorse in the shop. It is safe and effective for use on mild steel, stainless steel, and aluminum. The specialized coating helps prevent loading when working on softer metals like aluminum, while the tough Zirconia grain is durable enough to grind down hardened steel welds. Whether used for cleaning castings, removing heavy rust, or blending fillet welds in confined spaces, the Walter 09A204 delivers reliable, industrial-strength performance.

Additional Information
Packaging Description:10 per box, 10 per each
Brand:Walter
Diameter (in):2"
Grit:40
Used to Grind:Steel or Stainless or Aluminum
Product Type:Quick-Change Flap Disc
Grain Type:Zirconia Alumina
Mounting System:Spinlock
Backing Material:Cloth
Max RPM:30000

INCLUDED

  • 10 x Walter Spinlock Flap Discs (2" / 40 Grit)

APPLICATIONS

  • Blending welds in tight corners and confined spaces.
  • Removing heavy rust, scale, and paint from metal surfaces.
  • Deburring machined parts and castings.
  • Smoothing fillet welds on steel, stainless steel, and aluminum.
  • Surface preparation prior to painting or coating.
  • Automotive bodywork and exhaust fabrication.

FAQ

The Spinlock system is Walter's proprietary quick-change mounting interface. It allows users to attach and remove the disc from the backing pad with a simple twisting motion, ensuring a secure fit without tools.

The Walter 09A204 is versatile and safe for use on steel, stainless steel, and aluminum. Its Zirconia Alumina grain is tough enough for steel but designed to run cool enough for stainless.

Yes, you will need a backing pad compatible with the Spinlock (or Type R style) connection system sized for 2-inch discs to mount this on your die grinder.

Flap discs have layered abrasive flaps that wear away to reveal fresh grain, lasting up to 20 times longer than single-layer sanding discs and providing a more consistent finish.

While specific ratings should always be checked on the product label, 2-inch flap discs generally support high speeds, often up to 30,000 RPM, making them suitable for pneumatic die grinders.

Flap discs are designed to be more forgiving than solid grinding wheels. The flaps cushion the grind, significantly reducing the risk of gouging or undercutting the workpiece.

40 grit is a coarse abrasive intended for heavy stock removal and weld leveling. For a smooth, paint-ready finish, you would typically follow up with finer grits like 60, 80, or 120.

Yes, the Zirconia Alumina grain and the flap design help evacuate chips, reducing the loading (clogging) often seen when grinding soft metals like aluminum.

CATALOGUE & SPEC SHEETS

Safety Data Sheet