FREE SHIPPING ON ORDER SUBTOTAL OF $350.00+

Republic Abrasives Logo

KNOT CUP BRUSH

$11.05

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: 83072
  • Size: 2-3/4x5/8-11 KNOT CUP BRUSH
  • Weight: 0.7 lbs.
  • # Per Box: 1
  • Max RPM: 14000
  • Diameter: 2-3/4"
  • Wire Diameter: 0.020"
  • Wire Type: STAINLESS STEEL
  • Old Part Number: 54-482818
  • Min Order: 1
  • QTY 50+: $10.04
  • QTY 100+: $9.13

Related Products

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

$20.61

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

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

KNOT CUP BRUSH

$8.98

Part #: 83073 (3-1/4xM14 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

$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

$37.00

Part #: 83085 (6x5/8-11 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...


Customers Also Purchased

PFX ULTRA TYPE 27 WHEELS

$2.08

Part #: 80578 (4-1/2x.045x7/8 )

SUPER PREMIUM PFX WHEELS**ULTRA**Manufactured on "STATE OF T...

PREMIUM ALUMINUM OXIDE TYPE R - PLASTIC BUTTON**SAND-LOC QUICK CHANGE DISCS

$0.44

Part #: 12919 (2" 36 A/O )

Premium Aluminum Oxide discs that are excellent for most gen...

ADVANTAGE STRINGER BEAD BRUSHES

$7.71

Part #: 50303 (4-1/2x5/8-11 ADV STRINGER BEAD)

ADVANTAGE quality carbon steel brushes engineered for the pi...

CRIMPED WHEEL BRUSH

$4.74

Part #: 83141 (2x1/4 CRIMPED WHEEL BRUSH)

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

CRIMPED CUP BRUSH

$6.46

Part #: 83101 (2-3/4x5/8-11 CRIMPED CUP BR)

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

MOUNTED FLAP WHEELS

$2.24

Part #: 93501 (1x1x1/4)

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

KNOT CUP BRUSH

$24.39

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

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

PREMIUM HT ALUMINUM OXIDE RESIN FIBRE SANDING DISCS

$1.58

Part #: 92112 (9x7/8 )

PREMIUM HEAT TREATED ALUMINUM OXIDE Fibre Discs are produced...

© 2026 Republic Abrasives All Rights Reserved