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48L756 - Walter 6" Knot-Twisted Wire Cup Brush with Safety Ring

Packaging: 1 per each
$6.08/ea

Usually ships within 3-5 business days

SKU: 48L756 Categories: ,

OVERVIEW

Precision Engineered for Heavy-Duty Surface Conditioning

The Walter 48L756 (often referred to as the Walter Buffer or Wire Cup Brush) represents the pinnacle of industrial wire brush technology. Designed for professionals who demand reliability and safety, this 6-inch knot-twisted wire cup brush is engineered to tackle the toughest surface conditioning challenges. At the core of its design is Walter's proprietary safety support ring. This feature is critical for maintaining the structural integrity of the brush under high rotational speeds (up to 6,000 RPM). By preventing the knot-twisted wires from flaring outwards prematurely, the support ring ensures that the brush maintains a concentrated cleaning area, thereby increasing aggression and extending the overall lifespan of the tool.

Manufactured with premium oil-hardened carbon steel wire, each strand is tempered to resist fatigue and breakage, a common failure point in inferior brushes. The 0.020-inch wire diameter provides the stiffness required for removing stubborn contaminants without compromising the brush's ability to conform to irregular surfaces. The brush is meticulously balanced to ISO standards, ensuring smooth, vibration-free operation when mounted on standard angle grinders with a 5/8"-11 spindle. This attention to balance not only improves the finish quality but also significantly reduces wear on the power tool's bearings and minimizes operator fatigue during extended use.

This brush is an essential accessory for MRO (Maintenance, Repair, and Operations) environments where efficiency and safety are paramount. Whether used for descaling structural steel, prepping surfaces for coating, or cleaning large metal plates, the Walter 48L756 delivers consistent, high-performance results. Its robust construction allows it to withstand the heat and stress of continuous industrial use, making it a cost-effective solution for heavy material removal applications.

Additional Information
Packaging Description:1 per each
Diameter:6"
Arbor Size:5/8"-11
Wire Material:Carbon Steel
Wire Style:Knot-Twisted
Max RPM:6000
Wire Diameter:0.020"
Product Type:Wire Cup Brush
Features:Oil-Hardened Wire, Safety Support Ring
Compatible Tools:Angle Grinders

INCLUDED

  • 1x Walter 6-Inch Knot-Twisted Wire Cup Brush with Safety Ring

APPLICATIONS

  • Removing heavy rust, mill scale, and corrosion from structural steel
  • Cleaning weld slag and spatter between passes
  • Deburring cut metal edges and flame-cut parts
  • Stripping paint, primer, and heavy coatings from metal surfaces
  • Surface preparation prior to welding, painting, or coating
  • Cleaning concrete forms and metal molds
  • Heavy-duty scrubbing of large metal surface areas

FAQ

The safety support ring prevents the knot-twisted wires from flaring out under centrifugal force. This concentrates the cleaning action, prevents premature wire breakage, and extends the life of the brush. It can be removed once the wire wears down to expose more abrasive length.

This brush features a standard 5/8"-11 threaded arbor, making it compatible with most 4-1/2", 5", and 6" angle grinders that support this spindle size and the 6-inch diameter accessory.

This specific model uses carbon steel wire. Using it on stainless steel can cause 'after-rust' or contamination. For stainless steel, you should use a brush with stainless steel wire (typically marked with a blue hub or specific SKU).

The maximum safe operating speed is 6,000 RPM. Always ensure your angle grinder's no-load speed does not exceed this rating to prevent brush failure and injury.

Yes, the aggressive knot-twisted design is excellent for stripping old paint, primer, and heavy coatings from metal surfaces quickly.

Replace the brush when the wire length has worn down significantly or if you notice signs of wire fatigue, breakage, or imbalance. If the support ring has been removed and the remaining wire is short, it is time for a replacement.

Knot-twisted wire provides a much more aggressive impact action, making it suitable for heavy-duty cleaning like slag and scale removal. Crimped wire is better for lighter cleaning and larger surface areas where a smoother finish is desired.