FREE SHIPPING ON ORDER SUBTOTAL OF $350.00+

Republic Abrasives Logo

KNOT CUP BRUSH

$21.46

Knot cup brushes are for heavy duty use. For preparing metal surfaces prior to painting. Removes rust, slag weld scale or concrete waste.

  • Part Number: 83083
  • Size: 6x5/8-11 KNOT CUP BRUSH
  • Weight: 3.4 lbs.
  • # Per Box: 1
  • Max RPM: 6500
  • Diameter: 6"
  • Wire Diameter: 0.020"
  • Wire Type: CARBON STEEL
  • Old Part Number: 54-488238
  • Min Order: 1
  • QTY 50+: $19.51
  • QTY 100+: $17.74

Related Products

KNOT CUP BRUSH

$16.06

Part #: 83080 (5x5/8-11 KNOT CUP BRUSH)

Knot cup brushes are for heavy duty use. For preparing meta...

KNOT CUP BRUSH

$14.01

Part #: 83078 (4x5/8-11 KNOT CUP BRUSH)

Knot cup brushes are for heavy duty use. For preparing meta...

KNOT CUP BRUSH

$11.05

Part #: 83072 (2-3/4x5/8-11 KNOT CUP BRUSH)

Knot cup brushes are for heavy duty use. For preparing meta...

KNOT CUP BRUSH

$24.39

Part #: 83079 (4x5/8-11 KNOT CUP BRUSH)

Knot cup brushes are for heavy duty use. For preparing meta...

KNOT CUP BRUSH

$20.61

Part #: 83082 (6x5/8-11 KNOT CUP BRUSH)

Knot cup brushes are for heavy duty use. For preparing meta...

KNOT CUP BRUSH

$8.51

Part #: 83070 (2-3/4x5/8-11 KNOT CUP BRUSH)

Knot cup brushes are for heavy duty use. For preparing meta...

KNOT CUP BRUSH

$12.40

Part #: 83077 (4x5/8-11 KNOT CUP BRUSH)

Knot cup brushes are for heavy duty use. For preparing meta...

KNOT CUP BRUSH

$15.71

Part #: 83076 (3-1/2x5/8-11 KNOT CUP BRUSH)

Knot cup brushes are for heavy duty use. For preparing meta...


Customers Also Purchased

STRINGER BEAD*PIPELINE BRUSH

$10.35

Part #: 83005 (4-1/2x5/8-11 STRINGER BEAD)

Specially designed carbon steel brushes for the pipeline ind...

GREEN ZIRCONIA TYPE R - PLASTIC BUTTON**SAND-LOC QUICK CHANGE DISCS

$0.48

Part #: 12955 (2" 120 GREEN )

High Performance Green Zirconia with a grinding aid for fast...

PFX TYPE 27 WHEELS FOR GRINDING STAINLESS STEEL

$5.76

Part #: 80133 (7x1/4x5/8-11 )

PFX Wheels that are designed to work with hard to grind mate...

HAND SCRATCH BRUSHES

$1.81

Part #: 50205 (4x19 LONG HANDLE BRUSH)

Hand scratch brushes all have hard wood handles that fit com...

PFX TYPE 27 WHEELS FOR CUTTING STAINLESS STEEL

$2.44

Part #: 80195 (6x.045x7/8 TYPE 27 )

Fast cutting, long lasting PFX Cutting wheels. Designed to ...

PFX TYPE 16 GRINDING CONES

$10.89

Part #: 95650 (3x3x5/8-11 )

PFX grinding rocks for fast grinding and long life.

TURBO BACKING PADS**HARD (RIGID) PA6/30FG**FOR RESIN FIBRE DISCS

$9.77

Part #: 92694 (4-1/2x5/8-11 )

Special hard RIGID turbo pads made with PA6/30FG material fo...

MOUNTED FLAP WHEELS

$2.24

Part #: 93500 (1x1x1/4 40 )

Flap Wheels are used for blending and finishing all types of...

© 2026 Republic Abrasives All Rights Reserved