FREE SHIPPING ON ORDER SUBTOTAL OF $350.00+

Republic Abrasives Logo

DOUBLE ROW KNOT CUP BRUSH

$26.09

Double rows of knots are for extra heavy use. For preparing metal surfaces prior to painting. Removes rust, slag weld scale or concrete waste.

  • Part Number: 83090
  • Size: 4x5/8-11 DBL ROW KNOT CUP
  • Weight: 3.1 lbs.
  • # Per Box: 1
  • Max RPM: 9000
  • Diameter: 4"
  • Wire Diameter: 0.020"
  • Wire Type: CARBON STEEL
  • Min Order: 1
  • QTY 50+: $23.72
  • QTY 100+: $21.56

Related Products

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...


Customers Also Purchased

ADVANTAGE HD/JUMBO FLAP DISCS

$3.79

Part #: 77102 (4-1/2x7/8 Z40 HD )

BIG BROTHER to our ADVANTAGE UTILITY flap discs. 25% more z...

CLOTH SANDING BELTS

$0.01

Part #: 40000

ADVANTAGE TYPE 27 WHEELS FOR GRINDING METAL

$3.61

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

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

8 pc CARBIDE BURR KIT**MOST POPULAR BURRS

$125.00

Part #: 81000 (8 PC BURR KIT)

8 piece carbide burr kit consisting of the most popular sell...

MICRO FLAP WHEEL

$3.03

Part #: 93752 (3/4x3/4x1/8 60 )

Micro Flap Wheels are used for blending and finishing in sma...

ADVANTAGE SUPER VALUE FLAP DISCS

$1.76

Part #: 76907 (4-1/2x7/8 Z120 )

Our lowest cost zirconia disc available. OUTPERFORMS most o...

SUPER PREMIUM CERAMIC RESIN FIBRE SANDING DISCS

$4.80

Part #: 12510 (7x7/8 )

Our SUPER PREMIUM CERAMIC Fibre Discs are a unique combinati...

TYPE R MINI FLAP DISC

$2.09

Part #: 96402 (2" MINI FLAP DISCS Z40)

Miniature flap disc with Type R quick change feature to allo...

© 2026 Republic Abrasives All Rights Reserved