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

$20.61

Part #: 83081 (6x5/8-11 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

$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

$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

$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

$14.01

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

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

Customers Also Purchased

PFX TYPE 27 WHEELS FOR GRINDING ALUMINUM

$2.13

Part #: 80128 (4-1/2x1/4x7/8)

Special engineered PFX wheels to grind Aluminum. The specia...

KNOT CUP BRUSH

$12.40

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

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

QUICK CHANGE SURFACE CONDITIONING DISCS

$0.76

Part #: 30033 (2" COARSE )

A special reinforced, heavy duty non woven material that is ...

KNOT CUP BRUSH

$16.06

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

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

PFX TYPE 1 WHEELS FOR CUTTING METAL

$2.10

Part #: 80326 (6x1/16x7/8 )

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

CERAMIC FLAP DISCS FOR ALUMINUM

$5.33

Part #: 96452 (4-1/2x7/8)

Special treated ceramic material designed for grinding/sandi...

DOUBLE ROW KNOT CUP BRUSH

$40.46

Part #: 83092 (6x5/8-11 DBL ROW KNOT CUP)

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

ADVANTAGE TYPE 27 WHEELS FOR GRINDING METAL

$2.11

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

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

© 2026 Republic Abrasives All Rights Reserved