Quality Industrial Abrasives and Tools | Benchmark Abrasives

4" x 5/8"-11 Knotted Cup Brush - Carbon Steel

4" x 5/8"-11 Knotted Cup Brush - Carbon Steel - Main image
$9.91 $14.16 In stock

Category: Steel Brush

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Product Specification

4" X 5/8"-11 KNOTTED CUP BRUSH - CARBON STEEL

4" x 5/8"-11 Knotted Cup Brush for Carbon Steel are abrasive tools used for cleaning rust and removing paint. They are also used to clean surfaces and to create a better conductive area for attaching electrical connections. The knotted wire style is suited for medium to heavy duty jobs. This cup brush has 5/8"-11 threads for easy spin-on spin-off action. The carbon steel crimped wire cup brush is designed for cleaning and deburring rust, scale and dirt, edge blending, roughening for adhesion and weld prep.

Carbon steel cup brushes can be used on ferrous metal, concrete, masonry, and building materials. 

The knotted cup brush is designed for rigorous workpieces. These knotted wire cup brushes are ideal for metal surface preparation, cleaning, removal of weld scale and rust. This cup brush provides flexibility for light removal of rust & paint & general cleaning. 

Quantity: 1 piece

Dimensions

  • Outer Diameter– 4”
  • Inner Diameter – 5/8”-11
  • Wire Gauge – 0.020”
  • Wire style - Knotted
  • Type – Cup
  • Material – Carbon 
  • Max RPM – 9,000

Machines Used On:

  • Angle Grinders sized 4” to 5“.

Application:

  • Ferrous Materials – Cast Iron, Steel, Titanium, Nickel, Wrought Iron

Safety Tips:

  • Always wear proper PPE to include (but not limited to) safety glasses, hearing protection, respirator, and hand protection.  Keep all guards in place on your machine.
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Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

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Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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Customer Reviews (5.0 / 5 · 5 reviews)

Carter D. ★★★★★

After a few sessions with this brush on an old metal railing, those knotted wires are holding up better than the cheap cup brushes I've used before. It does kick up some dust, but that's expected.

Samuel ★★★★★

Wasted no time stripping heavy rust off a steel gate — the knotted cup design really digs in without needing much pressure. Fits my angle grinder perfectly and held up through the whole job without losing bristles.

Joseph Y. ★★★★★

Tore through a rusted workbench in minutes—the knotted wires hold their shape way better than the last cup brush I tried. The 4-inch diameter covers plenty of ground, and the dust didn’t clog up the carbon steel bristles.