FREE SHIPPING ON ORDER SUBTOTAL OF $350.00+

Republic Abrasives Logo

KNOT CUP BRUSH

$22.31

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: 83084
  • Size: 6x5/8-11 KNOT CUP BRUSH
  • Weight: 3.35 lbs.
  • # Per Box: 1
  • Max RPM: 6500
  • Diameter: 6"
  • Wire Diameter: 0.031"
  • Wire Type: CARBON STEEL
  • Old Part Number: 54-488338
  • Min Order: 1
  • QTY 50+: $20.29
  • QTY 100+: $18.44

Related Products

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

$37.00

Part #: 83085 (6x5/8-11 KNOT CUP BRUSH)

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

KNOT CUP BRUSH

$7.11

Part #: 83071 (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

$9.14

Part #: 83074 (3-1/2x5/8-11 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

$21.46

Part #: 83083 (6x5/8-11 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...


Customers Also Purchased

CRIMPED WHEEL BRUSH

$15.23

Part #: 83124 (6" CRIMPED WHEEL BRUSH)

Crimped wheel brushes are used for the removal of rust, pain...

PFX TYPE 11 GRINDING CUP WHEELS

$19.44

Part #: 80424 (6x2x5/8-11 )

PFX Type 11 cup wheels for the heaviest grinding application...

KNOT CUP BRUSH

$21.46

Part #: 83083 (6x5/8-11 KNOT CUP BRUSH)

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

KNOT WHEEL BRUSH*STANDARD TWIST

$7.85

Part #: 83030 (4-1/2x5/8-11 KNOT WHL BRUSH)

Knot wheel brushes are used to remove weld scale, rust, slag...

PFX TYPE 1 WHEELS FOR CUTTING METAL

$1.82

Part #: 80324 (5x1/16x7/8 )

Excellent PFX thin cutting wheels for all metalworking jobs!...

CRIMPED CUP BRUSH

$26.31

Part #: 83105 (4x5/8-11 CRIMPED CUP BRUSH)

Crimped cup brushes are ideal for working on large surfaces....

1/4-20 FLAP WHEEL ADAPTER 4" SHANK

$9.29

Part #: 93496-4 (1/4x4)

KNOT CUP BRUSH

$12.40

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

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

© 2026 Republic Abrasives All Rights Reserved