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PFERD 82523 4" Knot Cup Wire Brush Carbon Steel 5/8"-11 Thread

Manufacturer

PFERD

<h3>About PFERD: Over 225 Years of Precision Tool Engineering</h3><p>Few tool brands can claim a legacy as deep-rooted as <strong>PFERD</strong>. <a href="/13226-pferd">PFERD</a> was founded in 1799 by Johann Caspar Rüggeberg in the Bergisches Land region of Germany — a historic heartland of metalworking and blacksmithing. The brand name itself is a nod to those origins: &quot;PFERD&quot; is the German word for &quot;horse,&quot; reflecting the company&rsquo;s earliest customers — farriers and blacksmiths who relied on precision files to shape and care for horse hooves and horseshoes.</p><p>That craft-first philosophy never faded. Today, PFERD operates across more than 100 countries, with multiple production facilities and subsidiaries worldwide, yet remains an independent, family-owned company. This continuity of ownership has allowed PFERD to maintain its unwavering focus on quality, innovation, and practical performance across every product line. With a catalog spanning thousands of tool items, PFERD serves professionals in automotive, aerospace, shipbuilding, metalworking, and industrial fabrication — anywhere demanding surface finishing or material cutting is required.</p><h3>A Legacy Built on Innovation</h3><p>PFERD&rsquo;s engineering culture has produced numerous industry-defining innovations over more than two centuries. The company received its first patent as far back as 1929 for a revolving tool with cut teeth, and has continued to push the envelope ever since — developing resinoid-bonded grinding wheels, POLIFAN&reg; flap discs, and the CC-GRIND&reg; composite grinding disc system. Their proprietary VICTOGRAIN ceramic abrasive grain technology delivers a dramatically higher metal removal rate than conventional grinding wheels, while also reducing operator effort and fatigue.</p><p>PFERD&rsquo;s dedication to ergonomics and workplace safety is equally central to their identity. The company is a founding member of the oSa abrasive safety organization, and their PFERDERGONOMICS framework addresses vibration reduction, noise control, dust emissions, and haptic feedback — translating into real-world benefits for tradespeople who use these tools day in and day out.</p><h3>PFERD's Core Product Categories</h3><p>At the heart of the PFERD lineup are <a href="/13226-pferd-metal-file-16583">metal files</a>, a product the brand has manufactured with unmatched expertise since its founding. From general-purpose hand files to specialized CORINOX and tungsten carbide variants, PFERD&rsquo;s file range covers an extraordinary breadth of applications — from rough stock removal to precision finishing on sheet metal, non-ferrous alloys, and plastics.</p><p>For power tool users, PFERD&rsquo;s <a href="/13226-pferd-grinding-disc-52413">grinding discs</a> represent some of the most advanced abrasive technology on the market. The CC-GRIND&reg; family offers improved ergonomics and superior stock removal compared to traditional grinding wheels, making them a go-to choice for weld seam work, deburring, and surface preparation.</p><p>PFERD also produces a comprehensive range of <a href="/13226-pferd-brushes-201746">brushes</a> for industrial and maintenance applications, as well as <a href="/13226-pferd-wire-wheel-tool-53724">wire wheel tools</a> designed for heavy-duty tasks like descaling, derusting, deburring, and cleaning weld seams. Whether the job calls for crimped wire or tightly-knotted configurations, PFERD&rsquo;s wire wheel lineup is built to deliver consistent, aggressive brushing action with long service life.</p><p>From the bench to the job site, PFERD equips metalworkers, fabricators, and maintenance professionals with tools engineered to perform — reliably, safely, and precisely.</p>

Part Number

82523
06/02/2036 5:30 PM
Sale Price

$46.23

In Stock (10)

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Product Details

The PFERD 82523 is a heavy-duty single row power knot cup wire brush designed for aggressive surface preparation and cleaning on angle grinders. This 4-inch diameter brush features carbon steel bristles with 0.023" wire size in a standard twist configuration, providing excellent material removal rates for rust, scale, weld slag, and heavy coatings.

Key Features:

  • Single row knot construction for aggressive brushing action and longer service life
  • Carbon steel bristles ideal for ferrous metals and general-purpose applications
  • External nut design with 5/8"-11 threaded arbor fits most angle grinders
  • 0.023" wire diameter balances aggressive cutting with flexibility
  • Maximum operating speed of 9,000 RPM for efficient material removal
  • 4-inch diameter provides excellent coverage for large surface areas

PFERD knot wire cup brushes are manufactured to strict quality standards for consistent performance and safety. The single row design concentrates the brushing force for maximum impact, making this brush ideal for heavy-duty deburring, edge blending, weld cleaning, and surface preparation tasks in metal fabrication, maintenance, and construction applications.

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price seemed fair, account setup seemed quick.

Quick and easy! Hopefully, the shipment is the same!!!

good prices

Easy

QUICK EASY BUT PHONE CONTACT WOULD HELP

Parts came in a timely manner

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