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4-1/2" Flap Discs

4‑1/2" Flap Discs with 7/8" Arbor – Aluminum Oxide, Zirconia & Ceramic for High-Performance Metal Grinding

Explore our range of professional-grade 4‑1/2" flap discs with 7/8" arbor holes—engineered for fast cutting, smooth finishing, and extended disc life.

Available in aluminum oxide for general-purpose use, zirconia for enhanced durability on stainless steel, and ceramic for the most demanding grinding jobs. Ideal for angle grinders in metal fabrication, welding, and industrial maintenance.

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Flap Disc 4-1/2" Diameter 7/8" Arbour Hole SMT624 120 Grit Klingspor 322769
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Flap Disc 4-1/2" Diameter 7/8" Arbour Hole SMT624 120 Grit Klingspor 322769
SMT 624 Supra Abrasive Mop Discs – for stainless steel, steel   SMT 624 Supra - abrasive mop d..
$11.05CAD $8.05CAD
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Flap Disc 4-1/2" Diameter 7/8" Arbour Hole SMT924 40 Grit Klingspor 322862 4-1/2" Flap Discs
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Flap Disc 4-1/2" Diameter 7/8" Arbour Hole SMT924 Ceramic 40 Grit Klingspor 322862
SMT 924 Special Abrasive Mop Disc – for stainless steel and steel   The SMT 924 Special abrasi..
$16.25CAD $11.84CAD
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Flap Disc 4-1/2" Diameter 7/8" Arbour Hole SMT924 60 Grit Klingspor 322863 4-1/2" Flap Discs
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Flap Disc 4-1/2" Diameter 7/8" Arbour Hole SMT924 Ceramic 60 Grit Klingspor 322863
SMT 924 Special Abrasive Mop Disc – for stainless steel and steel   The SMT 924 Special abrasi..
$16.25CAD $7.95CAD
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Flap Disc 4-1/2" Diameter 7/8" Arbour Hole SMT924 80 Grit Klingspor 322864 4-1/2" Flap Discs
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Flap Disc 4-1/2" Diameter 7/8" Arbour Hole SMT924 Ceramic 80 Grit Klingspor 322864
SMT 924 Special Abrasive Mop Disc – for stainless steel and steel   The SMT 924 Special abrasi..
$16.25CAD $7.95CAD
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Flap Disc 4-1/2" Diameter 7/8" Arbour Hole SMT925 80 Grit (Flat) Klingspor 321677
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Flap Disc 4-1/2" Diameter 7/8" Arbour Hole SMT925 80 Grit (Flat) Klingspor 321677
SMT925 Flap Disc – for powerful angle grinders   The flap disc SMT 925 Special stands out with..
$14.35CAD $5.95CAD
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Flap Disc 4-1/2" Diameter 7/8" Arbour Hole SMT800 Medium Grit Klingspor 278496 Surface Conditioning Flap Discs
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Flap Disc 4-1/2" Diameter 7/8" Arbour Hole SMT800 Medium Grit Klingspor 278496
SMT 800 Special Non-Woven Mop Disc – for finishing stainless steel   The SMT 800 Special has b..
$24.43CAD $17.80CAD
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Flap Disc 4-1/2" Diameter 7/8" Arbour Hole SMT314 120 Grit Klingspor 322813 4-1/2" Flap Discs
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Flap Disc 4-1/2" Diameter 7/8" Arbour Hole SMT314 120 Grit Klingspor 322813
SMT 314 Extra Abrasive Mop Discs – for steel, NF metals   SMT 314 Extra - abrasive mop disc fo..
$11.58CAD $8.44CAD
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Flap Disc 4-1/2" Diameter 7/8" Arbour Hole SMT314 40 Grit Klingspor 322809 4-1/2" Flap Discs
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Flap Disc 4-1/2" Diameter 7/8" Arbour Hole SMT314 40 Grit Klingspor 322809
SMT 314 Extra Abrasive Mop Discs – for steel, NF metals   SMT 314 Extra - abrasive mop disc fo..
$11.58CAD $8.44CAD
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Flap Disc 4-1/2" Diameter 7/8" Arbour Hole SMT314 60 Grit Klingspor 322811 4-1/2" Flap Discs
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Flap Disc 4-1/2" Diameter 7/8" Arbour Hole SMT314 60 Grit Klingspor 322811
SMT 314 Extra Abrasive Mop Discs – for steel, NF metals   SMT 314 Extra - abrasive mop disc fo..
$11.58CAD $8.44CAD
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Flap Disc 4-1/2" Diameter 7/8" Arbour Hole SMT314 80 Grit Klingspor 322812 4-1/2" Flap Discs
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Flap Disc 4-1/2" Diameter 7/8" Arbour Hole SMT314 80 Grit Klingspor 322812
SMT 314 Extra Abrasive Mop Discs – for steel, NF metals   SMT 314 Extra - abrasive mop disc fo..
$11.58CAD $8.44CAD
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Flap Disc 4-1/2" Diameter 7/8" Arbour Hole SMT324 40 Grit (Flat) Klingspor 321645
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Flap Disc 4-1/2" Diameter 7/8" Arbour Hole SMT324 40 Grit (Flat) Klingspor 321645
SMT 324 Extra Abrasive Mop Discs – for stainless steel, steel   SMT 324 Extra - abrasive mop d..
$9.28CAD $6.75CAD
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Flap Disc 4-1/2" Diameter 7/8" Arbour Hole SMT324 40 Grit Klingspor 321509
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Flap Disc 4-1/2" Diameter 7/8" Arbour Hole SMT324 40 Grit Klingspor 321509
SMT 324 Extra Abrasive Mop Discs – for stainless steel, steel   SMT 324 Extra - abrasive mop d..
$9.28CAD $6.75CAD
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Flap Disc 4-1/2" Diameter 7/8" Arbour Hole SMT324 60 Grit (Flat) Klingspor 321647
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Flap Disc 4-1/2" Diameter 7/8" Arbour Hole SMT324 60 Grit (Flat) Klingspor 321647
SMT 324 Extra Abrasive Mop Discs – for stainless steel, steel   SMT 324 Extra - abrasive mop d..
$9.28CAD $6.75CAD
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Flap Disc 4-1/2" Diameter 7/8" Arbour Hole SMT324 60 Grit Klingspor 321511
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Flap Disc 4-1/2" Diameter 7/8" Arbour Hole SMT324 60 Grit Klingspor 321511
SMT 324 Extra Abrasive Mop Discs – for stainless steel, steel   SMT 324 Extra - abrasive mop d..
$9.28CAD $6.75CAD
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Flap Disc 4-1/2" Diameter 7/8" Arbour Hole SMT324 80 Grit (Flat) Klingspor 321649
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Flap Disc 4-1/2" Diameter 7/8" Arbour Hole SMT324 80 Grit (Flat) Klingspor 321649
SMT 324 Extra Abrasive Mop Discs – for stainless steel, steel   SMT 324 Extra - abrasive mop d..
$9.28CAD $6.75CAD
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Flap Disc 4-1/2" Diameter 7/8" Arbour Hole SMT324 80 Grit Klingspor 321513
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Flap Disc 4-1/2" Diameter 7/8" Arbour Hole SMT324 80 Grit Klingspor 321513
SMT 324 Extra Abrasive Mop Discs – for stainless steel, steel   SMT 324 Extra - abrasive mop d..
$9.28CAD $6.75CAD
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Flap Disc 4-1/2" Diameter 7/8" Arbour Hole SMT325 40 Grit (Flat) Klingspor 321653
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Flap Disc 4-1/2" Diameter 7/8" Arbour Hole SMT325 40 Grit (Flat) Klingspor 321653
SMT 325 Extra Abrasive Mop Discs – for stainless steel, steel   SMT 325 Extra - abrasive mop d..
$9.28CAD $6.75CAD
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Flap Disc 4-1/2" Diameter 7/8" Arbour Hole SMT325 40 Grit Klingspor 321659
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Flap Disc 4-1/2" Diameter 7/8" Arbour Hole SMT325 40 Grit Klingspor 321659
SMT 325 Extra Abrasive Mop Discs – for stainless steel, steel   SMT 325 Extra - abrasive mop d..
$9.28CAD $6.75CAD
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Flap Disc 4-1/2" Diameter 7/8" Arbour Hole SMT325 60 Grit (Flat) Klingspor 321655
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Flap Disc 4-1/2" Diameter 7/8" Arbour Hole SMT325 60 Grit (Flat) Klingspor 321655
SMT 325 Extra Abrasive Mop Discs – for stainless steel, steel   SMT 325 Extra - abrasive mop d..
$9.28CAD $6.75CAD
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Flap Disc 4-1/2" Diameter 7/8" Arbour Hole SMT325 60 Grit Klingspor 321661
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Flap Disc 4-1/2" Diameter 7/8" Arbour Hole SMT325 60 Grit Klingspor 321661
SMT 325 Extra Abrasive Mop Discs – for stainless steel, steel   SMT 325 Extra - abrasive mop d..
$9.28CAD $6.75CAD
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Flap Disc 4-1/2" Diameter 7/8" Arbour Hole SMT325 80 Grit (Flat) Klingspor 321657
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Flap Disc 4-1/2" Diameter 7/8" Arbour Hole SMT325 80 Grit (Flat) Klingspor 321657
SMT 325 Extra Abrasive Mop Discs – for stainless steel, steel   SMT 325 Extra - abrasive mop d..
$9.28CAD $6.75CAD
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Flap Disc 4-1/2" Diameter 7/8" Arbour Hole SMT325 80 Grit Klingspor 321663
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Flap Disc 4-1/2" Diameter 7/8" Arbour Hole SMT325 80 Grit Klingspor 321663
SMT 325 Extra Abrasive Mop Discs – for stainless steel, steel   SMT 325 Extra - abrasive mop d..
$9.28CAD $6.75CAD
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Flap Disc 4-1/2" Diameter 7/8" Arbour Hole SMT624 36 Grit Klingspor 322764
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Flap Disc 4-1/2" Diameter 7/8" Arbour Hole SMT624 36 Grit Klingspor 322764
SMT 624 Supra Abrasive Mop Discs – for stainless steel, steel   SMT 624 Supra - abrasive mop d..
$11.05CAD $8.05CAD
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Flap Disc 4-1/2" Diameter 7/8" Arbour Hole SMT624 40 Grit Klingspor 322765
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Flap Disc 4-1/2" Diameter 7/8" Arbour Hole SMT624 40 Grit Klingspor 322765
SMT 624 Supra Abrasive Mop Discs – for stainless steel, steel   SMT 624 Supra - abrasive mop d..
$11.05CAD $8.05CAD
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Flap Disc 4-1/2" Diameter 7/8" Arbour Hole SMT624 50 Grit Klingspor 322766
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Flap Disc 4-1/2" Diameter 7/8" Arbour Hole SMT624 50 Grit Klingspor 322766
SMT 624 Supra Abrasive Mop Discs – for stainless steel, steel   SMT 624 Supra - abrasive mop d..
$11.05CAD $8.05CAD
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4-1/2", Flap, Discs
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