Walter Stringer Bead Brush 6-7/8 Inch Carbon Steel

Name: Walter Stringer Bead Brush 6-7/8 Inch Carbon Steel
Brand: Welders Helper
SKU: 13K654
Price: 49.14 CAD
Availability: InStock

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SKU: 13K654 Categories: Abrasives, Bench Grinding Wheels

OVERVIEW

The Welder's Choice for Pipe & Root Pass Cleaning

When you are out in the field or in the shop laying down critical welds, surface preparation is everything. The Walter 13K654 Stringer Bead Knot Brush is built for welders who need a tool that works as hard as they do. This 6-7/8 inch wire wheel is specifically designed to tackle the toughest cleaning jobs, particularly in pipe welding applications where cleaning the root pass is essential for a sound weld. The narrow 1/4-inch face allows you to get right into the groove, ripping out slag and silica islands that wider brushes simply can't reach.

What sets this Walter brush apart is the quality of the knot. The twist knot design provides high-impact action, making it aggressive enough to strip heavy scale and rust quickly, yet controlled enough to leave a clean surface ready for the next pass. The carbon steel wire is tempered for toughness, meaning it holds up against the heat and friction of aggressive grinding without premature wire breakage. This durability means you spend less time changing out worn brushes and more time welding.

Comfort and control are also huge factors when using an angle grinder all day. Walter's "Smooth & Safe" balancing technology ensures that this wheel runs true and smooth. You will notice the difference immediately—less wobble and less vibration in your hands. This superior balance not only protects your grinder's bearings but also gives you better control over the tool, preventing the brush from jumping out of the groove. It connects easily via a standard 5/8-inch arbor, making it compatible with most professional 7-inch and 9-inch grinders (check your grinder's guard clearance).

Whether you are working on cross-country pipelines, structural steel erection, or general fabrication repairs, the 13K654 is a must-have in your tool bag. It delivers the aggressive cleaning power needed for "stringer" beads and tight corners, ensuring your welds are free from contaminants. Trust Walter's engineering to help you produce professional, defect-free welds every time.

Additional Information
Brand:Walter Surface Technologies
Diameter:6 and 7/8"
Arbor (in):5/8"
Width:1/4"
Wheel Style:Twist Knot
Used To Grind:Steel
Wire Material:Carbon Steel
Brush Type:Stringer Bead Wire Wheel
Application:Pipe Welding, Root Pass Cleaning
Packaging Description:1 per each

INCLUDED

1 x Walter 6-7/8" Stringer Bead Knot Wire Wheel Brush (Carbon Steel)

APPLICATIONS

Pipe Welding: Essential for cleaning root passes and inter-pass cleaning in V-grooves.
Structural Steel: Removing heavy rust, scale, and mill scale from beams and plates.
Fabrication: Cleaning fillet welds and tight corners where wider brushes cannot reach.
Maintenance: Aggressive removal of paint, corrosion, and spatter on carbon steel surfaces.
Expansion Joints: Cleaning narrow expansion joints in concrete or metal structures.

FAQ

A stringer bead brush has a very narrow face width (knots are twisted tightly) designed specifically to fit into tight spaces like the root pass of a pipe weld or narrow V-grooves to remove slag and debris.

This wire wheel features a 5/8-inch arbor hole, making it compatible with angle grinders that support this shaft size and the 6-7/8 inch wheel diameter.

No, this brush uses carbon steel wire. Using it on stainless steel will cause 'after-rust' or contamination. For stainless steel, you should use a stainless steel wire brush (often marked with a blue hub by Walter).

The 6-7/8 inch size is a standard dimension for stringer bead brushes intended for use on 7-inch or 9-inch grinders, ensuring the brush fits within standard guards while providing optimal tip speed.

Twist knot brushes are much more aggressive than crimped wire brushes. The twisted tufts act like small hammers to impact the surface, making them ideal for removing heavy scale, weld slag, and thick rust.

Always wear a face shield (in addition to safety glasses), heavy leather gloves, and protective clothing. Wire brushes can shed wires at high speeds, so full protection is mandatory.

Walter brushes are known for their superior balancing. They are individually balanced at the factory to run smoother than many competitor brushes, reducing operator fatigue and tool wear.

Always check the stamp on the actual product plate for the specific Max RPM. Generally, brushes of this size are rated for high-speed angle grinders, but you must ensure your grinder's RPM does not exceed the brush's rating.