FREE SHIPPING ON ORDER SUBTOTAL OF $350.00+

Republic Abrasives Logo

KNOT CUP BRUSH

$24.39

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: 83079
  • Size: 4x5/8-11 KNOT CUP BRUSH
    • Weight: 1.55 lbs.
  • # Per Box: 1
  • Max RPM: 9000
  • Diameter: 4"
  • Wire Diameter: 0.020"
  • Wire Type: STAINLESS STEEL
  • Old Part Number: 54-486818
  • Min Order: 1
  • QTY 50+: $22.17
  • QTY 100+: $20.15

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

$37.00

Part #: 83085 (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...

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

$20.61

Part #: 83082 (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

$20.61

Part #: 83081 (6x5/8-11 KNOT CUP BRUSH)

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

Customers Also Purchased

KNOT CONICAL BRUSH

$9.14

Part #: 83062 (4-1/2x5/8-11 KNOT CONICAL BR)

Special flared shape that enables the brush to be used flat ...

ADVANTAGE KNOT WHEEL BRUSHES

$7.14

Part #: 50352 (4x5/8-11 ADV KNOT WHEEL BRUSH)

ADVANTAGE quality knot wheel brushes are used to remove weld...

KNOT CUP BRUSH

$14.01

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

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

PFX TYPE 27 WHEELS FOR GRINDING METAL

$2.83

Part #: 80107 (4-1/2x1/4x5/8-11 )

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

HIGH PERFORMANCE BLUE FLAP DISCS

$3.90

Part #: 96104 (4-1/2x7/8 60 ZIRCONIA )

Multiple layers of zirconia cloth flaps that constantly expo...

QUICK CHANGE SURFACE CONDITIONING DISCS

$1.21

Part #: 30036 (3" COARSE )

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

QUICK CHANGE SURFACE CONDITIONING DISCS

$1.13

Part #: 30037 (3" MEDIUM )

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

ADVANTAGE TYPE 27 WHEELS FOR GRINDING METAL

$3.61

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

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

© 2026 Republic Abrasives All Rights Reserved