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62261 - Pferd POLIFAN 5-Inch Zirconia Flap Disc 80 Grit Type 29 for Steel

Packaging: 10 in a pack
$22.76/ea $142.30/10 in a pack only $14.23/eaSave 37%

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OVERVIEW

Professional Weld Blending and Finishing

For welders who demand reliability and speed, the Pferd POLIFAN Type 29 Flap Disc is a go-to abrasive for finishing steel projects. Whether you are cleaning up a structural weld or prepping metal for fabrication, this 5-inch disc offers the aggressive bite of a grinding wheel with the smooth finish of a sander. The 80 grit Zirconia Alumina abrasive is self-sharpening, meaning as the grains fracture, they expose new, sharp cutting edges, keeping your work moving fast.

The "Steel Superior" formulation is perfect for the fabrication shop. It is built to withstand the heat and stress of grinding on mild steel and carbon steel without loading up. This means you spend less time changing out worn discs and more time welding. The 5-inch size provides a good balance of coverage and maneuverability, fitting standard angle grinders with a 7/8-inch arbor.

Why Choose Type 29?

The conical (Type 29) shape of this flap disc is designed for aggressive grinding. The flaps are arranged at an angle, which allows you to apply more pressure to the work surface for faster stock removal. This shape is superior for:

  • Weld Removal: Quickly flattening beads on flat or curved surfaces.
  • Edge Grinding: Perfect for beveling edges prior to welding.
  • Tight Access: The angled flaps help reach into corners and contours better than flat discs.

Upgrade your abrasive arsenal with Pferd's renowned German engineering. This disc provides a smooth, vibration-free run that reduces hand fatigue, allowing for cleaner, more precise passes. It is an essential consumable for any serious welder working with steel.

Additional Information
Brand:Pferd
Diameter:5"
Arbor (in):7/8"
Grit:80
Used To Grind:Steel
Packaging Description:10 per pack
Abrasive Material:Zirconia Alumina
Disc Shape:Type 29 (Conical)
Performance Line:Steel Superior
Backing Material:Fiberglass
Bore (in):7/8"

INCLUDED

  • 1 x Pferd POLIFAN Type 29 Flap Disc (5" x 7/8", 80 Grit)

APPLICATIONS

  • Weld seam grinding and blending on steel
  • Chamfering and edge breaking
  • Surface finishing and preparation
  • Deburring cut metal edges
  • Contour grinding on tanks and vessels

FAQ

Type 29 discs are conical (angled), making them better for aggressive stock removal and contour work as they provide more surface contact at steeper angles. Type 27 discs are flat, making them better for blending and finishing on flat surfaces.

While Zirconia Alumina can cut aluminum, this specific 'Steel Superior' disc is optimized for steel. Using it on aluminum may cause the disc to load (clog) quickly. A disc specifically designed for non-ferrous metals is recommended for aluminum.

This disc has a 7/8-inch unthreaded arbor, which is the standard size for most 4.5-inch, 5-inch, and 7-inch angle grinders.

Zirconia Alumina is a tough, self-sharpening grain that is more durable than standard aluminum oxide. It is ideal for high-pressure grinding applications on ferrous metals, offering faster cut rates and longer life.

80 grit is considered a medium grit. It is excellent for blending and light stock removal. For heavy weld removal or hogging, a coarser grit like 40 or 60 would be faster, while 80 grit leaves a smoother finish.

Always check the actual disc label for the specific Max RPM. Generally, 5-inch flap discs are rated for approximately 12,200 to 13,300 RPM, but safety compliance requires verifying the rating on the product itself matches your tool.

This designation indicates that the bonding agent and filler materials in the abrasive flaps are chemically formulated to prevent glazing and maximize cutting efficiency specifically on carbon steel substrates.

No, this flap disc comes with an integrated fiberglass backing plate. It mounts directly to the angle grinder using the grinder's retaining nut or flange system.
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