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Knotted wire


Content: 1 Unit

Prices incl. VAT plus shipping costs

  • 353074
  • Please select your desired product variant here:

Wire thickness:

Product dimensions:


Steel cup brush with knotted steel wire, for use on angle grinders.

• For superior cleaning results
• For removing heavy encrustations
• Removable support ring for longer tool life (from 75 mm)

Machine suitability:
The STBZ technical brush is designed for use on angle grinders equipped with an M14 spindle. Please note the information about working and safety speeds. The maximum safety speed is marked on every product. This speed is important to ensure your safety in the workplace and must never be exceeded. Using adjustable-speed machines permits speeds to be adjusted to the maximum safe working speed. In addition, brushes fitted to handheld machines must have a maximum outer diameter of 180 mm.

Material suitability:
This brush has been designed especially for processing steel (structural steel – also termed St37, S235JR, 1.0037 and carbon steel) and cast steels, and produces optimum results on these materials.

Structure and production:
The fill material used for the STBZ is high-quality knotted steel wire. While this means that the brush is not particularly flexible, it makes it absolutely ideal for weld grinding work and the removal of heavy encrustations.

The STBZ gives users a tool that easily meets the demanding requirements for quality in manufacturing and the skilled trades. To help make work even more cost-effective, RHODIUS brushes from the premium PRO line are recommended.

Cup brushes are an especially good choice for the efficient processing of larger areas, welding seams and metal plates. The brushes are used in particular for cleaning, deburring, slag removal and de-rusting work here. This RHODIUS cup brush for steel is the ideal choice for processing high-strength and high-alloy steels, structural steels, tool steels, tempered steels and high-strength metal sheets.

The wire thickness for the STBZ is 0.35 mm and 0.50 mm. This cup brush is available in the diameters of 65 mm, 75 mm, 80 mm, 100 mm and 110 mm.

This makes it the ideal tool for the many applications and challenges faced in car repair and metalwork shops, in plant, container, boiler and tank construction, structural steel engineering, pipeline construction and installation work.

The brush diameter, the length of brush filler as well as fill material density are all important factors that go towards producing optimum results for surface treatment. A longer wire length will make the brush softer and more flexible. These kinds of brushes will be an excellent choice for processing structured workpieces and for ensuring non-aggressive surface treatment. As wire length shortens, the brush can be used for more aggressive types of processing. To keep surface treatment work as efficient as possible, the best option here is to select the maximum brush diameter that can be fitted to the drive system on your tool. A high fill material density is not only essential for optimum performance but is also needed to ensure a long brush lifetime. In contrast, lower fill material densities increase the flexibility of the wire and are a better choice for processing profiled surfaces.


Wire thickness in mm Wire thickness in mm
Material suitability:
Steel Steel
Machine suitability:
Freehand angle grinder Freehand angle grinder

Product variants:

size Product dimensions Wire thickness rpm Maximum revolutions box Content computer Article no. Product category number GTIN barcode packing unit
100 x 20 x M14 0,50 mm 8500 U/min 1 304025 PK08 4011890110508
65 x 20 x M14 0,50 mm 12500 U/min 2 304574 PK08 4011890110560
65 x 20 x M14 0,35 mm 12500 U/min 1 353074 PK08 4011890072943
65 x 20 x M14 0,35 mm 12500 U/min 10 353086 PK08 4011890113400
65 x 20 x M14 0,50 mm 12500 U/min 2 304024 PK08 4011890110560
65 x 20 x M14 0,50 mm 12500 U/min 1 353009 PK08 4011890072950
65 x 20 x M14 0,50 mm 12500 U/min 10 353085 PK08 4011890084359
75 x 20 x M14 0,50 mm 11000 U/min 1 353010 PK08 4011890072967
80 x 20 x M14 0,50 mm 8500 U/min 1 353011 PK08 4011890072974
100 x 20 x M14 0,50 mm 8500 U/min 1 353012 PK08 4011890072981
110 x 20 x M14 0,50 mm 6500 U/min 1 353013 PK08 4011890072998

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