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62957 - Pferd Polifan 5-Inch Zirconia Flap Disc 50 Grit Type 29

Packaging: 10 in a pack
$26.18/ea $163.60/10 in a pack only $16.36/eaSave 38%

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SKU: PFE62957 Categories: ,

OVERVIEW

High-Performance Abrasive Solution for Industrial Grinding

The Pferd 62957 Polifan Flap Disc is a premium abrasive tool engineered for demanding industrial environments. Designed with a 5-inch diameter and a 7/8-inch arbor, this disc is compatible with standard angle grinders and is specifically formulated to deliver superior results in edge grinding, chamfering, and deburring applications. The Polifan line by Pferd is renowned for its robust construction and ability to maintain consistent cutting performance over an extended service life, reducing the frequency of disc changes and increasing overall operational efficiency.

This specific model features a coarse 50 grit abrasive, making it an excellent choice for intermediate to heavy stock removal. Whether you are leveling welds or removing heavy scale, the aggressive nature of the 50 grit ensures rapid material removal without sacrificing control. The abrasive material is typically high-quality Zirconia Alumina, a grain known for its toughness and self-sharpening properties. As the grains fracture during use, they expose new, sharp cutting edges, preventing the disc from glazing over and ensuring a continuous, aggressive bite into the metal.

The Type 29 conical shape is a critical feature of this flap disc. Unlike flat (Type 27) discs, the conical profile is angled, which allows for more comfortable and effective grinding at steeper angles (typically 15 to 25 degrees). This makes the Pferd 62957 particularly effective for working on contours, edges, and fillet welds where surface contact is paramount. The angled flaps provide greater surface area contact when the grinder is held at a natural working angle, resulting in smoother finishes and faster stock removal rates.

Durability is a hallmark of the Pferd brand. The flaps are securely bonded to a reinforced backing plate, ensuring safety and stability even under high-pressure grinding. This structural integrity minimizes vibration, reducing operator fatigue and protecting the power tool from unnecessary wear. For fabrication shops, maintenance departments, and industrial manufacturing facilities requiring reliable and efficient abrasive solutions, the Pferd 62957 Polifan Flap Disc offers a perfect balance of aggression, longevity, and finish quality.

Additional Information
Used to Grind:Steel, Steel or Stainless (steel-or-stainless)
Diameter (in):5", 5" (5)
Grit:50 (50), n/a
Arbor (in):7/8" (7-8)
Abrasive Material:Zirconia Alumina
Max RPM:12200
----- new values below ----
Disc Shape:Type 29 Conical
Abrasive Material:Zirconia Alumina
Max RPM:12200
Diameter (in):5" (5)
Arbor (in):7/8" (7-8)
Grit:50 (50)
Brand:Pferd (pferd)
Used to Grind:Steel or Stainless (steel-or-stainless)

INCLUDED

  • 1x Pferd Polifan Flap Disc 5" x 7/8" 50 Grit Type 29

APPLICATIONS

  • Heavy stock removal on steel and stainless steel
  • Weld blending and finishing
  • Edge chamfering and beveling
  • Deburring cut metal parts
  • Surface preparation for painting or coating
  • Contour grinding and fillet weld finishing

FAQ

Type 27 discs are flat and best for blending and finishing on flat surfaces at lower angles (0-15 degrees). Type 29 discs, like this Pferd 62957, are conical or angled, making them better suited for aggressive stock removal and edge work at steeper angles (15-25 degrees).

This disc is designed primarily for ferrous metals, including carbon steel and stainless steel. The Zirconia Alumina grain is tough enough to handle hard materials without premature dulling.

No, flap discs come with a built-in backing plate (usually fiberglass or plastic) that mounts directly to the angle grinder, so no separate rubber backing pad is required.

50 grit is considered coarse. It is excellent for removing material quickly, such as grinding down welds or removing heavy rust and scale, but it will leave a rougher finish than 60, 80, or 120 grit discs.

The arbor size is 7/8 inch, which is the industry standard for 4.5-inch, 5-inch, and 7-inch angle grinders.

Flap discs are generally lighter, cooler cutting, and vibrate less than solid grinding wheels. They also allow you to grind and finish in a single step, whereas a grinding wheel leaves a very rough finish that often requires further sanding.

While you should always check the specific label on the disc, standard 5-inch flap discs are typically rated for a maximum speed of around 12,200 RPM.

While it can physically grind aluminum, standard Zirconia discs may load up (clog) with soft aluminum. It is better to use a disc specifically designed for non-ferrous metals or apply a grinding lubricant to prevent loading.