Single section circular brushes

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Versatile Circular Brushes ideal for the treatment of edges, sections and work pieces. These brushes can be used singly or mounted together to create a wider brushing face. Available in ALPHA, MULTICORD, RECORD and ULTRA fill construction.

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Alpha

Description

Versatile Circular brushes on a steel core with either ALPHA, MULTICORD, RECORD and ULTRA fill constructions. R.I.B.-KOTI circular brushes are packed with power, endurance and versatility and are ideal for the treatment of tubes, sections, solid bars, sheet edges and small work pieces such as gears.

Used singly or mounted together to create a wider brushing face, our Circular Brushes can be provided with a range of bore diameters to suit your mounting system.

  • ALPHA
    Brushes filled with abrasive fibres
  • MULTICORD
    Brushes filled with brass coated steel wires (cord construction)
  • RECORD
    Brushes filled with crimped wires.
  • ULTRA
    Brushes with a twist knot wire construction

What to do if the desired brushing effect is not obtained

If the brushing effect is too weak

Increase the peripheral speed by increasing the brush diameter or operating speed, decrease the trim length or increase the diameter of the fill material. Never exceed the maximum safety speed.

If the brushing effect is too powerful

Reduce the peripheral speed by reducing the brush diameter or operating speed, increase the trim height or decrease the diameter of the filling material.

If the surface finish too rough

Increase the peripheral speed by increasing the brush diameter or operating speed, increase the trim height or decrease the diameter of the filling material. Never exceed the maximum safety speed.

If the surface is finish too smooth

Reduce the peripheral speed by reducing the brush diameter or operating speed, decrease the trim length or increase the diameter of the filling material.

Note: Excessive operating pressure or penetration depth will reduce the service life of the brush. The tips of the brush do the work with only a light pressure of 1 to 2.5mm

Safety information

The DIN standard EN 1083-2 governs the safety requirements imposed on power-driven brush tools.

The safety speed indicated on the brush, the label or the packaging must never be exceeded. In some cases the recommended working speed is significantly below the maximum safety speed. The speed of the driving machine must never exceed the safety speed of the brush too. In order to increase the safety when working with power-driven brush tools, please observe the following measures.

Storage

Brush tools must always be stored in the relevant containers and suitable rooms, and be protected from deformation. Brush tools must be protected from water, acid, vapours or other substances that can cause damage.

Application

Always check brush tools prior to use for any signs of damage. If damaged, the brushes must be disposed of. Only mount brush tools on machinery with the aid of suitable clamping fixtures. When working with shaft-mounted brushes the brushes must be clamped securely into the drill chuck.

Protection

All persons in the work area must wear suitable eye protection during the brushing process. Protective cases on machines must not be removed. Suitable ear protectors must be worn if noise levels exceed the limiting value and when brushing work is carried out always take the relevant safety precautions (extraction system, dusk masks).

Disposal

Worn or damaged brushes must be disposed of correctly in accordance with local authority directives.

Because of the wide variety of machine types and applications, it is essential to follow the safety instruction and basic safety measures listed here. For more information and advice please look up the relevant laws, regulations, safety specifications and standards.

Help me choose

To choose the ideal product for your particular application and tooling, simply select from our standard dimensions and materials. If you’re not quite sure what you need or would like some advice, simply get in touch and we’ll see how we can help.

Fill types and typical applications

  • ALPHA
    Deburring of steel and non-ferrous components, removal of oxides and coatings, brushing of wood and furniture panels
  • MULTICORD
    Removal of rubber residue and excess rubber from rubber to metal bonded parts
  • RECORD
    Removal of rust, scale, primer and paint from steel, removal of oxide layers from stainless steel and non-ferrous metals, roughening, matt finishing, insulation stripping and cut back.
  • ULTRA
    Aggressive removal of excess rubber and residues from rubber to metal bonded parts, removal of adhesive residue, hard scale and paint, cleaning of weld seams.

Dimensions and materials

ALPHA Circular brushes

Circular brushes with an abrasive fibre construction
ANS – Nylon abrasive, silicon carbide grit

Circular Brush - Alpha / Record
RIB-KOTI ALPHA Circular brushes
Fill
material
Grit
size
Brush
diameter
Brush
width
Bore
diameter
Brush
type
BD BW KB (min) KB (max)
Nylon abrasive
ANS
K80 80 11 12 20 AS381
100 11 12 20 AS3101
125 13 12 32 AS5121
150 15 12 40 AS6151
180 15 12 50.8 AS8181
K120 80 11 12 20 AS381
100 11 12 20 AS3101
125 13 12 32 AS5121
150 15 12 40 AS6151
180 15 12 50.8 AS8181
K180 80 11 12 20 AS381
100 11 12 20 AS3101
125 13 12 32 AS5121
150 15 12 40 AS6151
180 15 12 50.8 AS8181
K320 80 11 12 20 AS381
100 11 12 20 AS3101
125 13 12 32 AS5121
150 15 12 40 AS6151
180 15 12 50.8 AS8181

All dimensions in mm


MULTICORD Circular brushes

Circular brushes with a corded wire construction
LIT – Brass plated steel wire, tempered

Circular Brush - Alpha / Record
R.I.B.-KOTI MULTICORD Circular brushes
Fill
material
Fill
diameter
Brush
diameter
Brush
width
Bore
diameter
Brush
type
BD BW KB (min) KB (max)
Brass plated steel
LIT
0.2 150 40 20 80 R8154W

All dimensions in mm


RECORD Circular brushes

Circular brushes with a crimped wire construction
STD – Steel wire, natural hard
INOX – Stainless steel

Circular Brush - Alpha / Record
R.I.B.-KOTI RECORD Circular brushes
Fill
material
Fill
diameter
Brush
diameter
Brush
width
Bore
diameter
Brush
width
Brush
type
BD BW KB (min) KB (max) BW
Steel
STD
0.15 80 11 12 20 11 B381
100 11 12 20 11 B3101
125 11 12 20 11 B3121
150 13 12 32 13 B5151
180 13 12 50.8 13 B8181
200 13 12 50.8 13 B8201
250 15 12 50.8 15 B10251
300 15 12 50.8 15 B15301
350 15 12 50.8 15 B19351
380 15 12 50.8 15 B15381
400 15 12 50.8 15 B19401
0.2 80 11 12 20 11 B381
100 11 12 20 11 B3101
125 11 12 20 11 B3121
150 11 12 32 11 B5151
180 13 12 50.8 13 B8181
200 13 12 50.8 13 B8201
250 13 12 50.8 13 B10251
300 15 12 50.8 15 B15301
350 15 12 50.8 15 B19351
380 15 12 50.8 15 B15381
400 15 12 50.8 15 B19401
0.3 80 11 12 20 11 B381
100 11 12 20 11 B3101
125 11 12 20 11 B3121
150 13 12 32 13 B5151
180 13 12 50.8 13 B8181
200 13 12 50.8 13 B8201
250 15 12 50.8 15 B10251
300 15 12 50.8 15 B15301
350 15 12 50.8 15 B19351
380 15 12 50.8 15 B19381
400 15 12 50.8 15 B19401
Stainless steel
INOX
0.15 80 11 12 20 11 B381
100 11 12 20 11 B3101
125 11 12 20 11 B3121
150 13 12 32 13 B5151
180 13 12 50.8 13 B8181
200 13 12 50.8 13 B8201
250 15 12 50.8 15 B10251
300 15 12 50.8 15 B15301
350 15 12 50.8 15 B19351
380 15 12 50.8 15 B19381
400 15 12 50.8 15 B19401
0.2 80 11 12 20 11 B381
100 11 12 20 11 B3101
125 11 12 20 11 B3121
150 13 12 32 13 B5151
180 13 12 50.8 13 B8181
200 13 12 50.8 13 B8201
250 15 12 50.8 15 B10251
300 15 12 50.8 15 B15301
350 15 12 50.8 15 B19351
380 15 12 50.8 15 B19381
400 15 12 50.8 15 B19401
0.3 80 11 12 20 11 B381
100 11 12 20 11 B3101
125 11 12 20 11 B3121
150 13 12 32 13 B5151
180 13 12 50.8 13 B8181
200 13 12 50.8 13 B8201
250 15 12 50.8 15 B10251
300 15 12 50.8 15 B15301
350 15 12 50.8 15 B19351
380 15 12 50.8 15 B19381
400 15 12 50.8 15 B19401

All dimensions in mm


ULTRA Circular brushes

Circular brushes with a twist knot wire construction
SUP – Steel wire, hardened
INOX – Stainless steel

Circular Brush - Ultra
RIB-KOTI ULTRA Circular brushes
Fill
material
Fill
diameter
Brush
diameter
Brush
width
Bore
diameter
Brush
type
BD BW KB (min) KB (max)
Steel
STD
0.5 100 11 M14 SZ2101
115 11 M14 SZ2121
125 11 M14 SZ3121
150 12 M14 SZ3151
180 13 M14 SZ4181
200 12 12 50.8 SZ6201
250 13 12 50.8 SZ10251
300 13 12 50.8 SZ10301
Stainless steel
INOX
0.5 100 11 M14 SZ2101
115 11 M14 SZ2121
125 11 M14 SZ3121
150 12 M14 SZ3151
180 13 M14 SZ4181
200 12 12 50.8 SZ6201
250 13 12 50.8 SZ10251
300 13 12 50.8 SZ10301

All dimensions in mm
RIB-KOTI ULTRA Circular brushes are also available with a 22.2mm bore diameter. Please ask us about these items.

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