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

$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

$37.00

Part #: 83085 (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

$24.39

Part #: 83079 (4x5/8-11 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

$20.61

Part #: 83081 (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

$9.14

Part #: 83075 (3-1/2x5/8-11 KNOT CUP BRUSH)

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


Customers Also Purchased

KNOT CUP BRUSH

$12.40

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

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

SURFACE CONDITIONING BELTS

$13.67

Part #: 30140 (3-1/2x15-1/2 A-COARSE (TAN))

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

PFX HD/JUMBO FLAP DISCS

$5.06

Part #: 96852 (4-1/2x7/8 40 ZIRCONIA )

THE BIG BROTHER! 25% more zirconia flaps than THE ABSOLUTE ...

PFX TYPE 27 WHEELS FOR GRINDING METAL

$2.73

Part #: 80110 (6x1/4x7/8 )

Premium General Purpose grinding wheels**PFX wheels grind fa...

SUPER STRIP DISCS

$8.38

Part #: 30250H (4-1/2x5/8-11)

Heavy duty discs designed to rapidly clean welds, remove sca...

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!...

GREEN ZIRCONIA TYPE R - PLASTIC BUTTON**SAND-LOC QUICK CHANGE DISCS

$0.71

Part #: 12962 (3" 120 GREEN )

High Performance Green Zirconia with a grinding aid for fast...

INTERLEAF FLAP WHEELS

$5.44

Part #: 93911 (1-1/2x1x1/4 A60/MED)

Excellent quality wheels made from alternating abrasive clot...

© 2026 Republic Abrasives All Rights Reserved