FREE SHIPPING ON ORDER SUBTOTAL OF $350.00+

Republic Abrasives Logo

KNOT CUP BRUSH

$37.00

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: 83085
  • Size: 6x5/8-11 KNOT CUP BRUSH
  • Weight: 3.15 lbs.
  • # Per Box: 1
  • Max RPM: 6500
  • Diameter: 6"
  • Wire Diameter: 0.020"
  • Wire Type: STAINLESS STEEL
  • Old Part Number: 54-488838
  • Min Order: 1
  • QTY 50+: $33.64
  • QTY 100+: $30.58

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

$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

$21.46

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

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

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

$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

$9.14

Part #: 83075 (3-1/2x5/8-11 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

INTERLEAF FLAP WHEELS

$6.60

Part #: 93921 (2x1x1/4 A60/MED)

Excellent quality wheels made from alternating abrasive clot...

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....

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...

PFX TYPE 1 WHEELS FOR CUTTING METAL

$1.52

Part #: 80321 (4-1/2x.040(1/32)x7/8 )

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

TYPE A BENCH & PEDESTAL WHEELS

$7.02

Part #: 95220 (6x1x1 A60-M )

Aluminum oxide general purpose wheels for most roughing and ...

STRINGER BEAD*PIPELINE BRUSH

$12.68

Part #: 83009 (6x5/8-11 STRINGER BEAD BRUSH)

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

PFX TYPE 27 WHEELS FOR CUTTING METAL

$1.49

Part #: 80178 (4-1/2x.045x7/8 )

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

TYPE A BENCH & PEDESTAL WHEELS

$7.02

Part #: 95218 (6x1x1 A36-O )

Aluminum oxide general purpose wheels for most roughing and ...

© 2026 Republic Abrasives All Rights Reserved