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15R454 - Walter Enduro-Flex 4.5 Inch Grit 40 Flap Disc with 5/8-11 Hub

Packaging: 10 per each
$24.66/ea $154.10/10 per each only $15.41/eaSave 38%

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OVERVIEW

Grind Smoother and Longer with Enduro-Flex

For welders who demand both speed and a high-quality finish, the Walter 15R454 Enduro-Flex™ Blending Disc is a game-changer. We all know the frustration of a flap disc that loses its bite halfway through the job or vibrates so much it leaves your hands numb. Walter has addressed these issues head-on with their GR40 Enduro-Flex disc. It features a specialized zirconium grain that cuts aggressively through heavy welds but leaves a finish smooth enough for many final applications. It’s the ultimate "one-step" buddy for your 4-1/2 inch grinder, letting you knock down a bead and blend it out without swapping wheels.

The real magic happens when the edges start to wear. Instead of tossing the disc in the bin, you can utilize the Eco-Trim™ backing. This unique feature lets you trim back the plastic hub, revealing fresh, unused flaps underneath. It’s like getting three discs for the price of one. This not only saves you money in the long run but also keeps you working longer without interruptions. The backing is easy to trim and safe to handle, ensuring you get every ounce of performance out of the abrasive.

Comfort is key during long grinding sessions, and the 15R454 delivers. The built-in cooling agents in the top coat reduce friction and heat, which means less vibration and less fatigue for you. The raised hub with the 5/8"-11 thread spins right onto your grinder—no flange nuts to lose or fumble with. Whether you are working on mild steel structural components or finishing stainless steel railings, this disc provides a consistent, chatter-free cut from the first spark to the last.

Additional Information
Diameter:4.5"
Arbor (in):5/8"
Grit:40
Used To Grind:Steel or Stainless
Packaging Description:10 per pack (10-per-pack)
Brand:Walter Surface Technologies
Grain Type:Zirconium
Backing Type:Eco-Trim Trimmable
Thread Size:5/8"-11
Product Line:ENDURO-FLEX
Country Of Manufacture:Germany

INCLUDED

  • 10 x 4-1/2" GR40 Enduro-Flex Blending Discs

APPLICATIONS

  • Heavy stock removal on steel and stainless steel
  • Weld removal and blending in one step
  • Surface finishing and preparation
  • Edge chamfering and deburring
  • General metal fabrication maintenance

FAQ

Eco-Trim is a trimmable backing that allows you to cut away the plastic hub as the flaps wear down, exposing fresh abrasive grain and extending the disc's life.

The 15R454 is designed for use on steel and stainless steel.

This specific model (15R454) is Grit 40, suitable for heavy stock removal.

No, the Enduro-Flex disc has an integrated backing and a 5/8"-11 threaded hub, so it mounts directly to the grinder spindle.

The standard manufacturer packaging quantity is 10 discs per pack.

While it can grind aluminum, Walter offers specific discs for aluminum to prevent loading. This disc is optimized for steel and stainless.

Always check the disc label for the specific Max RPM, but standard 4-1/2" flap discs are typically rated around 13,300 RPM.

No, it features a special top coat and balanced design to ensure quiet, vibration-free grinding.

CATALOGUE & SPEC SHEETS

Spec Sheet
Safety Data Sheet