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82194 - Pferd 4-1/2 Inch Stringer Bead Wire Wheel 5/8-11 Thread .020 Carbon Steel

Packaging: 1of1
$19.16/ea $11.98/1of1 only $11.98/eaSave 37%

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OVERVIEW

Heavy-Duty Cleaning with the Pferd 82194 Wire Wheel

When you are out in the field or in the shop, time is money, and you can't afford to stop constantly to change out worn-out wire brushes. The Pferd 82194 4-1/2" Stringer Bead Wire Wheel is built for welders who demand durability and aggression from their tools. This isn't your average hardware store brush; it is a professional-grade consumable designed to tackle the hardest slag and spatter without falling apart. If you are welding pipe, structural steel, or heavy machinery, this is the brush you want on your grinder.

The standout feature of this brush is its "Stringer Bead" design. The knots are twisted tightly and arranged to create a very narrow face. This is perfect for getting into tight corners, fillets, and specifically the root pass of pipe welds. When you lay down that first bead, you need to ensure it is perfectly clean before the hot pass, and this brush digs deep to rip out slag inclusions that could cause a failed X-ray test later. The .020" carbon steel wire is stiff and aggressive, stripping away rust, paint, and scale instantly.

Pferd has equipped this wheel with their COMBITWIST technology. If you have ever had a wire wheel that felt "lumpy" or vibrated your hands numb, you know the value of a balanced tool. COMBITWIST alternates the knot direction, which keeps the brush stable and prevents the wires from splaying out too quickly. This means the brush stays tighter for longer, giving you more cleaning power per dollar. It also runs smoother, so your hands don't feel like they are buzzing after a day of grinding.

Installation is quick and easy with the built-in 5/8-11 threaded hub. Just spin it onto your 4-1/2 inch grinder, tighten it down, and you are ready to work. It is rated for 12,500 RPM, so it can handle the speed of modern grinders. Whether you are prepping a joint for welding, cleaning up a finished weld for inspection, or just stripping rust off an old trailer frame, the Pferd 82194 delivers the bite you need. Remember to always wear a face shield and safety glasses when using wire wheels—safety first!

Additional Information
Brand:Pferd
Diameter:4.5"
Wheel Style:Twist Knot
Used To Grind:Steel
Wire Material:Carbon Steel
Wire Diameter:0.020"
Thread Size:5/8-11
Max RPM:12500
Trim Length:7/8"
Face Width:3/16"
Knot Count:32
Technology:COMBITWIST
Packaging Description:1of1
Arbor (in):5/8"

INCLUDED

  • One (1) Pferd 4-1/2" Stringer Bead Twist Knot Wire Wheel Brush (Carbon Steel)

APPLICATIONS

  • Pipeline Welding: Specifically designed for cleaning the root pass (stringer bead) in pipe joints to remove slag and defects.
  • Structural Steel Fabrication: Removing heavy scale, rust, and corrosion from beams and plates before welding or painting.
  • Weld Cleaning: Aggressive removal of weld spatter and oxidation from fillet welds and corners.
  • Deburring: Removing sharp burrs from cut metal edges and machined parts.
  • Surface Preparation: Stripping paint, bitumen, or rubber coatings from steel surfaces.

FAQ

The Pferd 82194 comes with a standard 5/8-11 UNC threaded nut, which fits most standard 4-1/2 inch and 5-inch angle grinders in North America.

A Stringer Bead brush has a very narrow face width and tightly twisted knots. It is primarily designed for the pipeline industry to clean the narrow 'root pass' or stringer bead of a weld groove, but it is also excellent for reaching into tight corners and cracks.

No, you should not use this carbon steel brush on stainless steel. Doing so will leave carbon deposits on the stainless surface, which can lead to 'after-rust' or corrosion. You should use a stainless steel wire brush (usually marked with green or labeled INOX) for stainless applications.

The maximum safe operating speed for the Pferd 82194 is 12,500 RPM. Always ensure your angle grinder's no-load speed does not exceed this rating.

COMBITWIST is a proprietary technology from Pferd where the wire knots are twisted in alternating directions. This improves the balance of the brush, reduces vibration, and prevents the knots from untwisting, resulting in longer brush life and more aggressive cleaning.

Yes, absolutely. Wire brushes can shed wire filaments at high speeds during operation. Standard safety glasses alone are often insufficient; a full face shield worn over safety glasses is the recommended PPE for wire wheel operations.

The Pferd 82194 4-1/2" Stringer Bead wheel typically features 32 individual knots, providing a dense and aggressive cleaning face.

Yes, the aggressive .020" carbon steel wire is very effective at stripping paint, rust, and other coatings from steel surfaces. However, be careful on thinner metals as the aggressive action can remove base material if used too heavily.
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