3M™ Cubitron™ II Hookit™Clean Sanding Abrasive Disc 737U, 31482, 6 in, 240+, 50 Discs/Carton, 4 Cartons/Case

3M™  Cubitron™ II Hookit™ Clean Sanding Abrasive Disc 737U combines the highest 3M technology for automotive repair. Its long-lasting triangular shaped grain and multi-hole pattern for superior dust extraction make the disc ideal for a long disc life. The very wide range of available grades offer discs for coarse body work up to fine sanding of blending areas. The 3M™ Hookit™ system makes for quick disc change-outs.
Special Price $70.03 Regular Price $82.39
UPC 00051131314825
3M ID 7100138558
Packaging Carton
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Cuts 30% Faster. Lasts 2x as Long

3M developed the 3M™ Cubitron™ II Hookit™ Clean Sanding Abrasive Discs 737U to deliver a very fast, consistent cut and long disc life during key stages in auto body repair. It features 3M™ Precision-Shaped Grain technology — triangular-shaped, electrostatically oriented grains form sharp peaks that slice, rather than plow, through paint and body filler. This grain cuts 30% faster than traditional premium abrasives. As the individual grains wear, fresh abrasive is exposed to continually present a sharp cutting surface. This makes the cut more consistent and prolongs the life of the disc. Cubitron™ II Hookit™ Clean Sanding Abrasive Discs 737U is ideal for feather-edging, as a final sanding step before priming, or during prep before blending. A multi-hole pattern offers excellent dust extraction to make the disc ideal for paint removal, rough body filler shaping, fine feather-edging or final prep.

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

3M™ Cubitron™ II products have raised the bar for high-performing abrasives. They utilize 3M™ Precision-Shaped Grain (PSG), which outcuts and outlasts conventional ceramic industrial abrasives and requires less grinding force to achieve superior performance. The result is that operators can grind faster and complete ore parts per disc.

To create PSG, 3M engineers used proprietary technology to form abrasive grains into triangular structures and electrostatically orient them on the backing to form sharp peaks that maximize cutting potential. These peaks slice cleanly through metal like a knife through butter, rather than gouging or plowing as traditional abrasives do. As the grains wear, they continually expose fresh, sharp mineral. As a result, PSG last 2x as long as conventional ceramic abrasives, ensuring extended high performance in production applications.

About 3M™ Hookit™ Attachment

The 3M™ Hookit™ attachment system is designed for work spaces and applications where adhesive backed abrasives may become contaminated by dust, dirt or debris. It features a hook-and-loop function which makes disc attachment, removal, and re-attachment clean and easy. 3M™ Hookit™ abrasives have a loop backing of the type most commonly used in everyday hook-and-loop applications. It attaches to the small hooks on the backing of any 3M™ Hookit™ backup pad. it's simple: just attach the disc and start sanding. The disc removes just as cleanly and easily, and facilitates the use and re-use of the disc for maximum product life.

About 3M™ Clean Sanding

The multi-hole pattern on 3M™ Clean Sanding discs evacuates dust better than 5- or 6-hole products—significantly increasing cut-rate and disc life. When used with a 3M™ Clean Sanding Disc Pad, the disc holes do not require alignment with the pad holes, making switching the discs fast, easy, and convenient. You can also pair Clean Sanding abrasives with Clean Sanding disc pads for use on a central-vacuum-ready sander.


  • Features 3M™ Precision-Shaped Grain, triangular-shaped grains that cut at least 30% faster and last at least 30% longer than other conventional ceramic abrasives
  • Extremely sharp precision-shaped grain provides longer life than conventional ceramic abrasives
  • Sharper cutting surface means less pressure is required
  • Clean Sanding multi-hole pattern delivers excellent dust extraction
  • 3M™ Hookit™ hook-and-loop attachment makes for fast disc change-outs
  • Long lasting,fast-cutting abrasive disc available in a wide range of grades
More Information
3M ID 7100138558
Part number 31482
Keywords car scratch repair, paint removal, paint preparation, denibbing, primer sanding, abrasives for plastic repair, Filler sanding, 3M abrasives, cubitron, car dent repair,
Global Product Hierarchy Abrasives > Abrasive Discs > Paper Discs
Abrasive Material Precision Shaped Ceramic
Application Blending, Featheredging, Paint Removal, Paint Sanding, Paint Stripping, Primer Sanding, Random Orbital Sanding, Rough Feather Edge, Sanding, Sanding Filler, Shape and Sand Filler or Putty, Surface Preparation
Backing Material Paper
Backing Weight C Weight
Bond Type Resin
Center Hole Diameter (Imperial) 0.0 NP
Center Hole Diameter (Metric) 0.0 NP
Color Family Purple
Grit 240+
Product Color Purple
Product Number 737U
Product Type simple
Quantity 0
Trademark 1 3M™
Trademark 2 Cubitron™
Country of Origin United States
Sales Unit CT
SAP Shelf Life In Days 1825
Base - Billing Unit KAR
Base - Customary Height Dimension 2.030984252
Base - Customary Length Dimension 6.125
Base - Customary Width Dimension 6.12480315
Base - Metric Gross Weight 231.332 G
Base - Metric Height Dimension 51.587 MM
Base - Metric Length Dimension 155.575 MM
Base - Metric Width Dimension 155.57 MM
Base - Item Quantity 1
Base - Unit KAR
Consumer - Billing Unit KAR
Consumer - Customary Cubic Dimension 76.191195689478 ci
Consumer - Customary Gross Weight 0.509999760357521 lbs
Consumer - Customary Net Weight 0.37500630797647677 lbs
Consumer - Customary Height Dimension 2.030984251968504 in
Consumer - Customary Length Dimension 6.125 in
Consumer - Customary Width Dimension 6.124803149606299 in
Consumer - Metric Cubic Dimension 1248.55 CCM
Consumer - Metric Net Weight 170.1 G
Consumer - Metric Height Dimension 51.587 MM
Consumer - Metric Length Dimension 155.575 MM
Consumer - Metric Width Dimension 155.57 MM
Consumer - Item Quantity 1
Consumer - Total Unit Quantity 1
Consumer - Previous Packaging Level Quantity 1
Consumer - Item Unit CTNS
Consumer - Unit KAR
Shipper - Billing Unit KAR
Shipper - Customary Cubic Dimension 462.3006293256681 ci
Shipper - Customary Gross Weight 2.310444507697517 lbs
Shipper - Customary Net Weight 1.4991433828571676 lbs
Shipper - Customary Height Dimension 7.283464566929134 in
Shipper - Customary Length Dimension 9.21259842519685 in
Shipper - Customary Width Dimension 6.889763779527559 in
Shipper - Metric Cubic Dimension 7575.75 CCM
Shipper - Metric Weight 1.048 KG
Shipper - Metric Net Weight 0.68 KG
Shipper - Metric Height Dimension 0.185 M
Shipper - Metric Length Dimension 0.234 M
Shipper - Metric Width Dimension 0.175 M
Shipper - Item Quantity 4
Shipper - Total Unit Quantity 4
Shipper - Previous Packaging Level Quantity 4
Shipper - Previous Packaging Level Unit CTNS
Shipper - Item Unit CTNS
Shipper - Unit CS
Pallet - Billing Unit KAR
Pallet - Customary Cubic Dimension 94159.63713817191 ci
Pallet - Customary Gross Weight 449.7430148571503 lbs
Pallet - Customary Net Weight 252.003798035668 lbs
Pallet - Customary Height Dimension 48.818897637795274 in
Pallet - Customary Length Dimension 48.031496062992126 in
Pallet - Customary Width Dimension 40.15748031496063 in
Pallet - Metric Cubic Dimension 1.543 M3
Pallet - Metric Net Weight 114.307 KG
Pallet - Metric Height Dimension 1.24 M
Pallet - Metric Length Dimension 1.22 M
Pallet - Metric Width Dimension 1.02 M
Pallet - Item Quantity 672
Pallet - Total Unit Quantity 672
Pallet - Previous Packaging Level Quantity 168
Pallet - Previous Packaging Level Unit BOX
Pallet - Item Unit CTNS
Pallet - Unit PAL
Pallet - Pallet Layer Quantity 6
Pallet - Shipping Container Per Layer Quantity 28
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