Stainless Steel Cup Brushes for Angle Grinders – Crimped & Twisted Knot Wire

Professional-grade stainless steel cup brushes designed for use with angle grinders and handheld metal polishers. Available in both twisted knot and crimped wire options, these brushes deliver powerful performance for everything from heavy-duty scale removal to fine surface cleaning.

✅ Key Features:

• Twisted Knot Wire – for aggressive cleaning, rust and scale removal, and heavy coatings

• Crimped Wire – offers a softer, more controlled brushing action, ideal for lighter coatings, paint removal, and surface finishing

• Stainless Steel Construction – made with AISI 302 grade or higher stainless wire, safe for use on stainless steel, stone, and non-ferrous metals without risk of contamination or rust stains

• M14 Threaded Hub – fits directly onto standard angle grinders and variable speed polishers without adapters

• Ideal for: Metal fabrication, stone restoration, industrial maintenance, and stainless steel surface prep

🔧 Specifications:

• Wire Types: Crimped or Twisted Knot (choose per listing)

• Wire Material: Stainless Steel (AISI 302 or better)

• Mounting: M14 internal thread (fits directly to grinder spindle)

• Available Sizes & Max Speeds:

  • 65mm: 16,000 RPM

  • 75mm: 13,000 RPM

• Wire Gauge:

  • Twisted Knot: 0.50mm

  • Crimped: 0.30mm

• Sold Individually – bulk discount available for orders of 3 or more

🛠️ Applications:

• Removing weld scale, oxidation, and heavy rust

• Cleaning stainless steel surfaces

• Stone surface cleaning without iron contamination

• Paint stripping and general surface prep

Also Available: We also stock radial and bevel profile stainless steel wire wheels for edge use with angle grinders. If you don't need stainless steel, we have other cup brushes in steel wire.