Product Specification
4" STANDARD TWIST KNOT WIRE WHEEL - STAINLESS STEEL
When stainless steel needs serious cleaning power, the 4" Standard Twist Knot Wire Wheel - Stainless Steel delivers the aggressive brushing action needed to tear through stubborn rust, scale, weld residue, oxidation, and heavy surface buildup. Its 0.020" stainless steel wire makes it the right choice for demanding stainless fabrication and maintenance work where using a carbon steel brush can introduce unwanted iron contamination.
The standard twist knot construction bundles the wire into stiff, tightly twisted sections for a harder, more concentrated attack than flexible crimped wire. That makes this wheel especially effective when cleaning welds, removing persistent deposits, stripping surface contamination, and preparing metal for welding, coating, or additional finishing.
A compact 4" diameter gives the operator strong control around welds, edges, joints, and fabricated assemblies, while the 5/8"-11 threaded arbor provides fast spin-on installation on compatible angle grinders. Rated for a maximum of 20,000 RPM, this is a hard-working stainless wire wheel built for fabrication shops, welding operations, maintenance departments, and demanding metal-preparation work.
Product Specifications
| Specification |
Details |
| Diameter |
4" |
| Wire Material |
Stainless Steel |
| Wire Diameter |
0.020" |
| Wire Style |
Standard Twist Knot |
| Brush Type |
Wire Wheel |
| Arbor |
5/8"-11 Threaded |
| Maximum RPM |
20,000 |
Features
-
Stainless steel wire is ideal for stainless work where minimizing iron cross-contamination is important
-
Standard twist knot construction delivers aggressive, concentrated brushing action
-
0.020" wire provides the stiffness needed for stubborn rust, scale, weld residue, and heavy deposits
- More aggressive cleaning action than flexible crimped-wire styles
-
4" diameter provides strong cleaning performance with good control and access
-
5/8"-11 threaded arbor for quick spin-on installation
- 20,000 RPM maximum rating
- Excellent for welding, fabrication, maintenance, repair, and metal surface preparation
Applications & Performance
The standard twist knot construction is designed for medium- to heavy-duty cleaning where a softer wire brush may not remove buildup efficiently.
Common applications include:
- Weld cleaning and post-weld cleanup
- Surface preparation before welding
- Removing weld scale and residue
- Heavy rust and corrosion removal
- Scale and oxidation removal
- Paint and coating removal
- Cleaning fabricated stainless components
- Removing stubborn surface deposits
- Preparing metal before coating or finishing
- General fabrication and maintenance work
The twisted knots keep the wire concentrated at the working edge, giving the wheel a stiffer and more aggressive brushing action. Use controlled pressure and allow the wire tips to perform the cleaning rather than forcing the wheel into the workpiece.
Materials
Especially suited for:
- Stainless steel
- Stainless steel weldments
- Stainless fabricated components
- Other compatible metals where stainless wire brushing is appropriate
For stainless fabrication, keep this brush dedicated to stainless steel work. A stainless wire brush that has previously been used on carbon steel can pick up iron contamination and transfer it to stainless surfaces.
Store stainless and carbon steel brushes separately when preventing cross-contamination is important.
Machine Compatibility
Use this 4" wire wheel on a compatible angle grinder with a 5/8"-11 spindle, adequate brush capacity and a maximum speed no greater than 20,000 RPM. Match the actual hub seating and allow room for wire flare.
Compatible examples include:
-
Benchmark Abrasives BMT-AGBC4570_1 — 4-1/2" corded angle grinder; 5/8"-11 spindle; 11,000 RPM.
-
Makita® 9557PB — 4-1/2" angle grinder; 11,000 RPM.
-
Milwaukee® 2880-20 — 4-1/2" / 5" angle grinder; 8,500 RPM.
-
Milwaukee® 2881-20 — 4-1/2" / 5" angle grinder; 8,500 RPM.
Other Machines may be compatible. Use the manufacturer-specified wire-brushing setup and guard, with secure hub engagement and adequate operating clearance. Other grinders meeting these requirements may also be suitable.
Safety Tips
- Never exceed the wheel's 20,000 RPM maximum speed.
- The wire wheel's maximum RPM rating must meet or exceed the maximum operating speed of the power tool.
- Inspect the wheel before each use and replace it if damaged, excessively worn, or improperly mounted.
- Make sure the 5/8"-11 threaded arbor is fully seated and secure before operation.
- Use the appropriate grinder guard and maintain adequate clearance around the rotating brush.
- Wear proper PPE, including eye and face protection, hearing protection, gloves, appropriate clothing, and respiratory protection when required.
- Keep bystanders away from the work area and direction of rotation.
- Do not use excessive pressure. Let the wire tips perform the cleaning.
- Allow the grinder to reach operating speed before contacting the workpiece.
- Keep stainless brushes dedicated to stainless work when cross-contamination is a concern.
- Follow all operating and safety instructions for both the power tool and wire wheel.
