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3" x 5/8"-11 Knotted Cup Brush - Stainless Steel

Original price $0.00 - Original price $0.00
Original price $0.00
$15.99 - $15.99
Current price $15.99

Product Specification


3" 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.

More resistant to oxidation, stainless steel brushes are ideal for use with aluminum, stainless steel and other non-ferrous alloys. 

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


  • Outer Diameter– 3”
  • Inner Diameter – 5/8”-11
  • Wire Gauge – 0.020”
  • Wire style - Knotted
  • Type – cup
  • Material – Stainless 
  • Max RPM – 14,000

Machines Used On:

  • Angle Grinders sized 4” to 5“.


  • Ferrous Materials – Stainless Steel
  • Non-Ferrous Materials – Copper, Aluminum, Zinc, Tin, Etc. 

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.



You read that right, Free shipping on orders over $100 + Orders placed before 12 noon PST = SHIP SAME DAY! Orders placed after noon will ship the following day.

Standard FREE shipping is UPS Ground or USPS priority depending on size and weight. Most customers receive their order within 3-5 days from date of purchase. Faster shipping options available for additional charge. Free shipping not available on international orders. Free shipping will only be available to orders being delivered within the lower 48 states.


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