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Pferd POLIFAN 4.5-Inch Zirconia Flap Disc 60 Grit Type 29 for Steel

$20.70/ea $129.40/10 in a pack only $12.94/eaSave 37%

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OVERVIEW

Aggressive Weld Removal and Blending

For professional welders, the Pferd 62223 POLIFAN Flap Disc is a go-to solution for post-weld cleanup on steel structures. This 4-1/2 inch disc features a coarse 60 grit Zirconia Alumina abrasive that excels at leveling weld seams, removing spatter, and preparing bevels for multi-pass welding. The Zirconia grain is specifically formulated to fracture under pressure, self-sharpening to provide a continuous, aggressive bite that doesn't glaze over when working on carbon steel.

The Type 29 conical shape is particularly advantageous for the welding trade. It allows the operator to apply higher contact pressure for faster stock removal without gouging the workpiece. This angled profile is ideal for working into fillets, corners, and contours where flat discs often struggle. The overlapping flap design also runs cooler than solid grinding wheels, reducing the risk of heat discoloration or warping on thinner gauge materials, ensuring the integrity of the base metal is maintained.

Durability is key in a welding shop, and the Pferd Superior line stands up to the challenge. The robust backing plate provides rigid support, allowing you to lean into the grind with confidence. Whether you are fabricating structural steel, repairing heavy equipment, or finishing custom metalwork, this flap disc provides the consistency and speed required to keep production moving. It bridges the gap between a hard grinding wheel and a fiber disc, offering the material removal of the former with the finish quality of the latter.

Optimized for Steel Applications

This specific model is engineered for steel applications, ensuring optimal chemical compatibility and performance. It resists loading and maintains its cutting efficiency even under heavy duty cycles. For welders who demand tools that work as hard as they do, the Pferd 62223 is an essential addition to the angle grinder arsenal.

Additional Information
Brand:Pferd
Diameter:4.5"
Arbor (in):7/8"
Grit:60
Used To Grind:Steel
Packaging Description:10 per pack
Disc Type:Type 29 (Conical)
Grain Type:Zirconia Alumina
Series:POLIFAN Superior
Max RPM:13300
Bore (in):7/8"

INCLUDED

  • (10) 4-1/2" x 7/8" 60 Grit Zirconia Alumina Flap Discs (Type 29)

APPLICATIONS

  • Weld seam leveling and blending
  • Edge chamfering and deburring
  • Surface grinding on steel and ferrous metals
  • Removing mill scale and rust
  • Contour finishing and fillet weld grinding

FAQ

Type 27 discs are flat and best for finishing on flat surfaces at lower angles (0-15 degrees). Type 29 discs, like this Pferd 62223, are conical (angled) and are better suited for aggressive stock removal and contour work at steeper angles (15-25 degrees).

This disc is part of the 'Steel Superior' line and is optimized for use on carbon steel and other ferrous metals.

Zirconia Alumina is tougher and more durable than standard Aluminum Oxide. It is self-sharpening, meaning it fractures to expose new sharp edges, providing a faster cut and longer life, especially under high pressure.

The arbor size is 7/8 inch, which is the standard size for most 4-1/2 inch and 5-inch angle grinders.

Yes, but as a 60 grit disc, it is considered a medium-coarse abrasive. It will leave a scratch pattern suitable for paint adhesion but may require a finer grit (80 or 120) follow-up for a smooth cosmetic finish.

No, flap discs have a built-in backing plate. You do not need a separate rubber backing pad like you would for resin fiber discs.

While always check the physical disc label for safety, standard 4-1/2 inch flap discs are typically rated for a maximum of 13,300 RPM.

Pferd typically packages these flap discs in boxes of 10.