3M™ Cubitron™ II Abrasive Fibre Disc 33425, 180 mm x 22 mm (7 in x 7/8 in), 36+, 5 Discs/Carton, 5 Cartons/Case

3M’s Cubitron™ II Abrasive Fibre Discs is built for faster cutting of welds as well as grinding, weld blending, deburring and other tough metal finishing jobs. 3M™ Precision Shaped Grain – a tough, sharp ceramic abrasive – is resin-bonded to a stiff fiber backing. This disc lasts significantly longer than conventional ceramic grain discs, delivering a lower cost per grind with fewer disc changes.
Special Price $42.42 Regular Price $49.90
UPC 00051131334250
3M ID 7100033178
Packaging Carton
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Speed, Long Life and Ease of Use

Engineered for faster cutting, sustained performance, durability and increased throughout, the 3M™ Cubitron™ II Abrasive Fibre Discs is a game changer. It is constructed with 3M's breakthrough Precision Shaped Grain, with vulcanized fiber backing that resists wear and easily handles tough grinding applications like high-pressure weld grinding.

In short, Cubitron™ II outcuts and outlasts conventional ceramic industrial abrasives and requires less grinding force to achieve superior performance.

About 3M™ Cubitron™ II and Precision-Shaped Grain

3M™ Cubitron™ II abrasive discs, cutoff wheels and file belts have raised the bar for high-performing abrasives. Cubitron™ abrasives feature Precision-Shaped Grain (PSG) technology, which allows 3M engineers to control the geometry of the abrasive grain for a truly fast, efficient cut. Instead of simply crushing the abrasive into particles, 3M uses microreplication to uniformly size ceramic grains and precisely shape them into triangular structures – essentially, sharp peaks that slice, not plow, through paint and metal. These grains are electrostatically oriented on the abrasive surface for the most efficient cut and even wear. What's more, PSG fractures during use to maintain sharp abrasive edges. The result: Cubitron™ II cuts 30% faster and lasts 2x longer than conventional ceramic abrasives.

Recommended Application: Heavy-Duty Stock Removal

Choose the Cubitron™ II Fibre Disc for medium to heavy-duty stock removal on carbon steel, as well as edge chamfering, beveling, weld grinding, and paint removal processes.

Clean and remove coatings Deburr metal Remove gaskets Polish and shape metal Remove oxidation, paint and rust Sand putty and primer or shape and sand filler Cut spot welds Strip paint to metal

Slotted for cutting off weld and door skin removal

A Portfolio of Abrasive Systems Solutions

From specialty abrasives designed for a highly specific purpose to versatile sheets, 3M provides an abrasive to accomplish your task or perfect your system. 3M draws from a wealth of original technologies and breakthrough inventions to provide a broad portfolio of abrasives that shape, finish and polish with ease and precision.


  • Cubitron™ II cuts 30% faster and lasts 2x longer than conventional ceramic abrasives
  • Precision Shaped Grain (PSG) technology employs microreplication for extremely uniform abrasive
  • Triangular PSG abrasive grains are super-sharp and cut exceptionally fast
  • Grains are electrostatically oriented on abrasive surface for efficient cut, even wear
  • PSG self-fractures during use to maintain sharpness and prolong abrasive life
  • Stiff fiber backing and a strong resin bond lend this disc long life and tear-resistance
  • Significantly longer lasting, completes more parts per disc and requires fewer disc changes
  • Features 7/8” center hole diameter
More Information
3M ID 7100033178
Part number 33425
Keywords 33425
Global Product Hierarchy Abrasives > Abrasive Discs > Fibre Grinding Discs
Abrasive Material Precision Shaped Ceramic
Application Door Hem Flanges, Grinding, Light Grinding, Paint Stripping, Right Angle Grinding, Strip Paint to Metal, Weld Grinding
Backing Material Fibre
Backing Thickness (Metric) 0.0 NP
Backing Thickness (Imperial) 0.0 NP
Bond Type Resin
Center Hole Diameter (Imperial) 0.875 in
Center Hole Thread Size Non Pertinent
Center Hole Diameter (Metric) 22.0 mm
Color Family Purple
Grit 36+
Product Color Purple
Product Number 786C
Product Type simple
Quantity 0
Trademark 1 3M™
Trademark 2 Cubitron™
Country of Origin United States
Sales Unit EA
SAP Shelf Life In Days 1825
Base - Billing Unit EA
Base - Customary Height Dimension 0.875 INCH
Base - Customary Length Dimension 7.0 INCH
Base - Customary Width Dimension 7.0 INCH
Base - Metric Gross Weight 75.28 G
Base - Metric Height Dimension 0.02222 M
Base - Metric Length Dimension 0.177 M
Base - Metric Width Dimension 0.177 M
Base - Item Quantity 1
Base - Unit EA
Unit of Use - Billing Unit EA
Unit of Use - Customary Cubic Dimension 18.970268255497142 ci
Unit of Use - Customary Gross Weight 0.16596399097277584 lbs
Unit of Use - Customary Net Weight 0.13117504600000215 lbs
Unit of Use - Metric Cubic Dimension 310.867 CCM
Unit of Use - Metric Net Weight 59.5 G
Unit of Use - Item Quantity 1
Unit of Use - Total Unit Quantity 1
Unit of Use - Previous Packaging Level Quantity 1
Unit of Use - Item Unit EACH
Unit of Use - Unit EA
Consumer - Billing Unit EA
Consumer - Customary Cubic Dimension 74.63661580866469 ci
Consumer - Customary Gross Weight 0.7877116627865676 lbs
Consumer - Customary Net Weight 0.6558752300000108 lbs
Consumer - Customary Height Dimension 9.488188976377952 in
Consumer - Customary Length Dimension 0.984251968503937 in
Consumer - Customary Width Dimension 7.9921259842519685 in
Consumer - Metric Cubic Dimension 1223.075 CCM
Consumer - Metric Net Weight 297.5 G
Consumer - Metric Height Dimension 0.241 M
Consumer - Metric Length Dimension 0.025 M
Consumer - Metric Width Dimension 0.203 M
Consumer - Item Quantity 5
Consumer - Total Unit Quantity 5
Consumer - Previous Packaging Level Quantity 5
Consumer - Previous Packaging Level Unit EACH
Consumer - Item Unit EACH
Consumer - Unit KAR
Shipper - Billing Unit EA
Shipper - Customary Cubic Dimension 474.257011506149 ci
Shipper - Customary Gross Weight 4.149099774319396 lbs
Shipper - Customary Net Weight 3.2804784613109783 lbs
Shipper - Customary Height Dimension 10.118110236220472 in
Shipper - Customary Length Dimension 8.503937007874017 in
Shipper - Customary Width Dimension 5.511811023622047 in
Shipper - Metric Cubic Dimension 7771.68 CCM
Shipper - Metric Weight 1.882 KG
Shipper - Metric Net Weight 1.488 KG
Shipper - Metric Height Dimension 0.257 M
Shipper - Metric Length Dimension 0.216 M
Shipper - Metric Width Dimension 0.14 M
Shipper - Item Quantity 25
Shipper - Total Unit Quantity 25
Shipper - Previous Packaging Level Quantity 5
Shipper - Previous Packaging Level Unit DISC
Shipper - Item Unit EACH
Shipper - Unit CS
Pallet - Billing Unit EA
Pallet - Customary Cubic Dimension 92389.94855942468 ci
Pallet - Customary Gross Weight 731.9347104537935 lbs
Pallet - Customary Net Weight 550.935193200009 lbs
Pallet - Customary Height Dimension 45.669291338582674 in
Pallet - Customary Length Dimension 48.031496062992126 in
Pallet - Customary Width Dimension 42.125984251968504 in
Pallet - Metric Cubic Dimension 1.514 M3
Pallet - Metric Net Weight 249.9 KG
Pallet - Metric Height Dimension 1.16 M
Pallet - Metric Length Dimension 1.22 M
Pallet - Metric Width Dimension 1.07 M
Pallet - Item Quantity 4200
Pallet - Total Unit Quantity 4200
Pallet - Previous Packaging Level Quantity 168
Pallet - Previous Packaging Level Unit BOX
Pallet - Item Unit EACH
Pallet - Unit PAL
Pallet - Pallet Layer Quantity 4
Pallet - Shipping Container Per Layer Quantity 42
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