Product Specification
5" STANDARD TWIST KNOT WIRE WHEEL - CARBON STEEL
For bigger surface areas and heavier cleanup, the 5" Standard Twist Knot Wire Wheel - Carbon Steel delivers aggressive brushing power for stubborn rust, scale, weld residue, oxidation, paint, and other difficult buildup. Its 0.020" carbon steel wire is built for demanding metal preparation where a softer crimped brush simply does not remove material fast enough.
The standard twist knot construction bundles the wire into stiff, tightly twisted sections that maintain a concentrated working edge under load. That creates a harder, more aggressive brushing action for weld cleanup, corrosion removal, mill scale, and surface preparation while still giving the operator better control than switching to a grinding wheel for every cleaning job.
With a 5" working diameter, this wheel covers more surface than smaller 4" and 4-1/2" brushes while remaining well suited to common professional angle grinders. A 5/8"-11 threaded arbor provides quick spin-on installation, and the wheel carries a published maximum rating of 12,500 RPM. It is a strong shop-floor choice for fabrication, welding, structural work, maintenance, repair, and general steel preparation.
Product Specifications
| Specification |
Details |
| Diameter |
5" |
| Wire Material |
Carbon Steel |
| Wire Diameter |
0.020" |
| Wire Style |
Standard Twist Knot |
| Brush Type |
Wire Wheel |
| Arbor |
5/8"-11 Threaded |
| Maximum RPM |
12,500 |
Features
-
Aggressive standard twist knot construction for medium- to heavy-duty cleaning
-
0.020" carbon steel wire attacks stubborn rust, scale, weld residue, and surface buildup
- Stiffer and more aggressive than flexible crimped-wire brushes
-
5" diameter provides increased surface coverage for larger cleaning jobs
-
5/8"-11 threaded arbor for quick spin-on installation
- 12,500 RPM maximum rating
- Excellent for weld cleanup, fabrication, maintenance, structural work, and metal preparation
- Effective on broad surfaces while still providing concentrated cleaning around welds and edges
Applications & Performance
The standard twist knot design is intended for jobs where aggressive cleaning speed matters and lighter wire brushing is not enough.
Common applications include:
- Weld cleaning and post-weld cleanup
- Preparing steel before welding
- Removing weld scale and spatter
- Heavy rust and corrosion removal
- Mill scale and oxidation removal
- Paint and coating removal
- Structural-steel cleaning
- Cleaning fabricated components
- Pipeline and maintenance work
- Preparing metal before coating, repair, or finishing
The twisted knots keep the wire concentrated at the working edge, producing strong cleaning action without requiring excessive pressure. Let the wire tips do the work for better performance and brush life.
Materials
Recommended for cleaning and surface preparation on compatible ferrous materials, including:
- Carbon steel
- Mild steel
- Structural steel
- Cast iron
- Wrought iron
- Other compatible ferrous metal surfaces
Keep carbon steel brushes dedicated to ferrous work when cross-contamination is a concern. Use dedicated stainless wire brushes for stainless-steel applications where iron contamination must be minimized.
Machine Compatibility
Use this 5" wire wheel on a compatible angle grinder with a 5/8"-11 spindle, adequate brush capacity and a maximum speed no greater than 12,500 RPM. Match the actual hub seating and allow room for wire flare.
Compatible examples include:
-
Milwaukee® 2880-20 — 4-1/2" / 5" angle grinder; 8,500 RPM.
-
Milwaukee® 2881-20 — 4-1/2" / 5" angle grinder; 8,500 RPM.
-
Makita® GA7021 — 7" angle grinder; 6,600 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 12,500 RPM maximum speed.
- The wire wheel's rated RPM must meet or exceed the maximum operating speed of the power tool.
- Inspect the wheel before every use and replace it if damaged, excessively worn, or improperly mounted.
- Confirm the 5/8"-11 threaded arbor is fully seated and secure before starting the grinder.
- Use the appropriate grinder guard and maintain adequate clearance around the rotating wire wheel.
- 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.
- Use controlled pressure. Excessive force bends the wires and can accelerate wire fatigue.
- Allow the grinder to reach operating speed before contacting the workpiece.
- Follow all operating and safety instructions for both the power tool and wire wheel.
