FREE SHIPPING ON ORDER SUBTOTAL OF $350.00+

Republic Abrasives Logo

KNOT CUP BRUSH

$9.14

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: 83074
  • Size: 3-1/2x5/8-11 KNOT CUP BRUSH
  • Weight: 1.2 lbs.
  • # Per Box: 1
  • Max RPM: 14000
  • Diameter: 3-1/2"
  • Wire Diameter: 0.014"
  • Wire Type: CARBON STEEL
  • Old Part Number: 54-485138
  • Min Order: 1
  • QTY 50+: $8.31
  • QTY 100+: $7.56

Related Products

KNOT CUP BRUSH

$22.31

Part #: 83084 (6x5/8-11 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...

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 #: 83081 (6x5/8-11 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

$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

$8.29

Part #: 83146 (3x1/4 CRIMPED WHEEL BRUSH)

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

PFX TYPE 27 WHEELS FOR CUTTING METAL

$2.64

Part #: 80178-H (4-1/2x.045x5/8-11 )

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

PFX TYPE 1 WHEELS FOR CUTTING METAL

$1.82

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

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

ADVANTAGE TYPE 27 WHEELS FOR GRINDING METAL

$3.61

Part #: 31303 (7x1/4x5/8-11 )

ADVANTAGE**Excellent general purpose grinding wheels designe...

ADVANTAGE TYPE 27 WHEELS FOR GRINDING METAL

$2.11

Part #: 31307 (4-1/2x1/4x5/8-11 )

ADVANTAGE**Excellent general purpose grinding wheels designe...

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 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...

DOUBLE ROW KNOT CUP BRUSH

$26.09

Part #: 83090 (4x5/8-11 DBL ROW KNOT CUP)

Double rows of knots are for extra heavy use. For preparin...

© 2026 Republic Abrasives All Rights Reserved