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3M™

3M™ Cubitron™ II Hookit™ Cloth-Backed Sanding Disc 900DZ

3M™ Cubitron™ II Hookit™ Cloth-Backed Sanding Disc 900DZ

Regular price €61,00TTC
Regular price Sale price €61,00TTC
€50,83 HT
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In-stock items delivered in 48-72 hours. Made-to-order items delivered within 2 to 3 weeks.

Delivery €5.95 incl. VAT via DPD Predict or DPD Standard, free on orders over €49 incl. VAT.

Returns within 14 days, product must be new, complete, and in its original packaging. Refund policy.

SKU:3M_7100284886

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Description

3M™ Cubitron™ II Hookit™ 900DZ Cloth-Backed Sanding Disc: Precision Abrasive Technology

The 3M™ Cubitron™ II Hookit™ 900DZ sanding disc is tailored for professionals who do not compromise on abrasion quality. Its precision-shaped triangular grain technology cuts faster, lasts longer, and generates less heat than conventional abrasives.

The cloth backing offers superior flexibility and strength, ideal for complex or irregular surfaces. The Hookit™ system ensures quick and secure attachment to the sander.

Result: a consistent finish, increased productivity, and long-lasting discs. It is the benchmark abrasive from 3M™ for demanding applications.

Overview of the 3M™ Cubitron™ II Hookit™ 900DZ Cloth-Backed Sanding Disc

The 3M™ Cubitron™ II Hookit™ 900DZ Cloth-Backed Sanding Disc is a high-performance abrasive designed for demanding sanding applications on metal, stainless steel, and composite materials. It combines a robust cloth backing, a quick-change Hookit™ attachment system, and Cubitron™ II abrasive technology for precise and durable results.

The cloth backing offers superior mechanical strength compared to paper or film backings. It absorbs stress better, adapts to irregular surfaces, and extends the disc's service life under intensive conditions.

The Hookit™ system allows for quick, tool-free disc changes. The disc attaches and removes in a second, reducing downtime on the production line or in the workshop.

Cubitron™ II technology: triangular grains with precision edges

Cubitron™ II grains are manufactured by 3M from precision-shaped aluminum oxide, formed into triangles with sharp, oriented edges. Unlike conventional grains that dull and rub, these grains cut cleanly and fracture in a controlled manner to continuously expose a new edge.

Result: faster cutting, less heat buildup, and a significantly extended service life compared to standard ceramic or aluminum oxide abrasives.

  • Clean cut: the triangular edges slice through the material rather than grinding it
  • Low heat generation: ideal for stainless steel and heat-sensitive alloys
  • Extended service life: the grain renews itself through controlled micro-fracturing
  • Constant performance: the material removal rate remains stable throughout the life of the disc

At Dagobert Industrie, we offer this disc for professionals seeking a reliable, high-performance abrasive suited for high production rates.

Technical specifications and design of the 900DZ

The 3M™ Cubitron™ II Hookit™ 900DZ Cloth-Backed Sanding Disc is based on 3M's precision-shaped triangular mineral grain technology. These grains self-sharpen during use, maintaining a clean cut throughout the life of the disc.

The cloth backing offers superior mechanical strength to a standard paper backing. It handles bending stress and resists tearing, even on complex geometries or irregular surfaces.

The Hookit™ (velcro) attachment system allows for quick, tool-free disc changes. The disc is attached and removed in a few seconds, reducing production downtime.

Key features:

  • Abrasive technology: Cubitron™ II grains with oriented triangular geometry
  • Backing: flexible and resistant polyester cloth
  • Attachment: Hookit™ system (hook-and-loop)
  • Available grits: from P36 to P120 depending on the SKU
  • Use: dry or with light lubrication
  • Applications: metal, stainless steel, aluminum, painted surfaces

Product Technology Backing Attachment Main use
3M™ Cubitron™ II 900DZ Oriented triangular grains Polyester cloth Hookit™ (velcro) Metal, stainless steel, aluminum
3M™ Cubitron™ II 947A Oriented triangular grains Paper Hookit™ (velcro) Bodywork, flat surfaces
3M™ Trizact™ 268XA Structured abrasive pyramids Film Hookit™ (velcro) Fine finishing, polishing
Norton Blaze R980P SG Ceramic Polyester cloth Velcro Steel, stainless steel, high pressure

Applications and compatible materials for the Hookit™ 900DZ

The Cubitron™ II Hookit™ 900DZ Disc is designed for cloth-backed sanding, which gives it much higher mechanical resistance than paper-based discs. It handles bending stress without tearing.

It excels on ferrous and non-ferrous metals: steel, stainless steel, aluminum. 3M's Cubitron™ II grain technology is based on triangular grains with an oriented cut that slices through the material rather than rubbing it, which reduces heat and extends the life of the disc.

The 900DZ is also suitable for sanding painted surfaces, primers, and body fillers in automotive repair. Its Hookit™ (velcro attachment) system allows for quick disc changes without tools, a concrete advantage in the workshop.

Here are the typical materials and uses:

  • Raw steel, stainless steel, aluminum
  • Painted surfaces and automotive primers
  • Fillers and finishing putties
  • Light composites
  • Deburring and weld leveling

Product Backing Attachment Target materials Strong point
3M™ Cubitron™ II Hookit™ 900DZ Cloth Hookit™ (velcro) Metal, paint, filler Durability, fast cut, oriented grain
3M™ Cubitron™ II Hookit™ 737U Paper Hookit™ (velcro) Paint, varnish, primers Fine finishing, regular grain
Mirka Abranet Net Velcro Wood, paint, composites Optimal dust extraction, low clogging
Norton Blaze R980 Cloth Velcro Metal, stainless steel Ceramic grain, good service life

For heavy work on metal or repeated operations in industrial body shops, the cloth backing of the 900DZ remains the most consistent choice compared to paper alternatives.

Comparison: the 3M™ Cubitron™ II 900DZ vs. other cloth-backed abrasive discs

The market for cloth-backed abrasive discs is dense. To choose the right product, you must compare technologies, backings, and real-world usage.

The 3M™ Cubitron™ II 900DZ stands out with its precisely oriented triangular abrasive grains. Unlike conventional abrasives with random grains, each grain cuts rather than rubs. Result: less heat, less clogging, and a significantly longer service life.

Comparative table of major cloth-backed sanding discs

Product Manufacturer Abrasive technology Backing Available grits Strong points Typical use
Cubitron™ II 900DZ 3M Oriented triangular grains (ceramic) Robust polyester cloth + Hookit™ P36 to P120 Aggressive cut, long life, low heat generation Metal, stainless steel, hard materials
Cubitron™ II 947A 3M Oriented triangular grains (ceramic) Film + Hookit™ P80 to P320 Precise finish, uniform surface Bodywork, paint, fine finishing
Trizact™ 268XA 3M Structured pyramidal abrasive Film A6 to A65 Ultra-fine, reproducible finish Final polishing, clear coat, composites
Sia 1948 siamet Sia Abrasives Aluminum oxide Cotton cloth P40 to P150 Good strength/price ratio Metal, hardwood, deburring
Norton Blaze R980 Saint-Gobain Abrasives Self-sharpening ceramic Polyester cloth P36 to P120 Good longevity, sustained cut Steel, stainless steel, alloys

Compared to the Norton Blaze R980 or the Sia 1948, the 900DZ shows a higher initial cutting speed and reduced clogging thanks to its anti-loading coating.

Compared to other 3M references such as the 947A on film backing, the 900DZ is built for intense material removal on hard metals, where the robustness of the cloth backing makes all the difference.

Usage tips and best practices to optimize the life of the 900DZ

The Cubitron™ II 900DZ Disc is designed to last, but a few simple habits make a real difference in the field.

Always work at an angle of attack of 5 to 10° relative to the surface. Too flat, and the disc will clog. Too angled, and it will wear prematurely on one edge.

Let the abrasive work at its own speed. Pressing hard does not speed up sanding, it generates heat, glazes the Cubitron™ II grains, and reduces the life of the disc.

Regularly check the condition of the Hookit™ backup pad. A worn or deformed pad causes vibrations that degrade the hook-and-loop attachment and the quality of the cut.

Clean the pad and the disc between sessions. Accumulated dust clogs the grains and reduces abrasive efficiency long before the disc is actually worn out.

Respect the maximum speed indicated on the disc. The cloth backing of the 900DZ is robust, but excessive speed weakens the structure and poses a risk of failure.

Store the discs flat and away from humidity. A warped or damp cloth compromises the Hookit™ attachment and distorts contact with the workpiece.

  • Recommended angle of attack: 5 to 10°
  • Pressure: light and constant, do not force
  • Pad: inspect before each use
  • Storage: flat, dry, away from direct light
  • Speed: never exceed the indicated max. speed

FAQ - 3M™ Cubitron™ II Hookit™ 900DZ Cloth-Backed Sanding Disc

1. What is the difference between cloth backing and paper backing on an abrasive disc?

Cloth backing is significantly stronger than paper. It better handles mechanical stress, repeated bending, and moisture.

On curved or irregular surfaces, the cloth conforms to the profile without tearing. This is the main advantage of the Cubitron™ II 900DZ over standard paper discs.

2. What does Cubitron™ II technology actually bring?

Cubitron™ II grains are precision ceramic crystals manufactured by 3M. Their triangular shape allows them to cut through material rather than scraping it.

Result: faster material removal, less heat generated, and longer service life compared to conventional aluminum oxide abrasives.

3. Is the Hookit™ system compatible with all sanders?

The Hookit™ system (hook attachment) is designed for 3M orbital sanders equipped with a compatible Hookit™ pad. It ensures fast and secure disc attachment.

For other brands of sanders, verify that the pad accepts a standard velcro/hook-and-loop attachment system before use.

4. On what materials can the 900DZ disc be used?

The 900DZ is particularly suitable for steel, stainless steel, and ferrous metals in general. Its robust cloth makes it effective on hard-to-reach surfaces or complex geometries.

It is less suitable for softwood or very soft materials, where a more flexible paper abrasive will suffice.

5. How do I choose the right grit for my application?

A low grit (e.g., P36-P60) is suitable for roughing and fast material removal. A high grit (e.g., P120-P180) is reserved for finishing and smoothing.

For most metal surface preparation work, P80 to P120 grits offer the best compromise between speed and finish quality.

6. What is the service life of the 900DZ compared to a standard abrasive disc?

Thanks to the Cubitron™ II ceramic grains, the 900DZ lasts significantly longer than a standard aluminum oxide disc. 3M claims productivity gains that can exceed 50% in certain applications.

At Dagobert Industrie, we recommend this disc to professionals looking to reduce their frequency of abrasive changes and maintain a constant cut throughout the life of the disc.

Quick order

All references for this product. Indicate your quantities and add everything to the cart at once.

Quick order
Ref.GrainDiameter (mm)Fixation – PerforationAvailability Price Quantity
P40 / 76 / Hook and loop – Mesh 3M_7100284886P4076Hook and loop – MeshOn order €61,00
P40 / 76 / Hook-and-loop – Solid 3M_7100284768P4076Hook-and-loop – SolidOn order €55,50
P40 / 76 / Sticker – Full 3M_7100284934P4076Sticker – FullOn order €55,50
P40 / 127 / Hook and loop – Mesh 3M_7100284662P40127Hook and loop – MeshOn order €78,00
P40 / 127 / Hook-and-loop – Solid 3M_7100284663P40127Hook-and-loop – SolidOn order €71,00
P40 / 127 / Sticker – Full 3M_7100284664P40127Sticker – FullOn order €71,00
P40 / 152 / Hook and loop – Mesh 3M_7100284769P40152Hook and loop – MeshOn order €94,00
P40 / 152 / Hook-and-loop – Solid 3M_7100284772P40152Hook-and-loop – SolidIn stock €85,50
P40 / 152 / Sticker – Full 3M_7100284773P40152Sticker – FullOn order €85,50
P40 / 203 / Hook and loop – Mesh 3M_7100284565P40203Hook and loop – MeshOn order €175,00
P40 / 203 / Hook-and-loop – Solid 3M_7100284543P40203Hook-and-loop – SolidOn order €159,50
P40 / 203 / Sticker – Full 3M_7100284564P40203Sticker – FullOn order €159,50
P60 / 76 / Hook and loop – Mesh 3M_7100284341P6076Hook and loop – MeshOn order €61,00
P60 / 76 / Hook-and-loop – Solid 3M_7100284269P6076Hook-and-loop – SolidOn order €55,50
P60 / 76 / Sticker – Full 3M_7100284338P6076Sticker – FullOn order €55,50
P60 / 127 / Hook and loop – Mesh 3M_7100284216P60127Hook and loop – MeshOn order €78,00
P60 / 127 / Hook-and-loop – Solid 3M_7100284212P60127Hook-and-loop – SolidIn stock €71,00
P60 / 127 / Sticker – Full 3M_7100284215P60127Sticker – FullOn order €71,00
P60 / 152 / Hook and loop – Mesh 3M_7100284218P60152Hook and loop – MeshIn stock €94,00
P60 / 152 / Hook-and-loop – Solid 3M_7100284214P60152Hook-and-loop – SolidIn stock €85,50
P60 / 152 / Sticker – Full 3M_7100284217P60152Sticker – FullOn order €85,50
P60 / 203 / Hook and loop – Mesh 3M_7100284340P60203Hook and loop – MeshOn order €175,00
P60 / 203 / Hook-and-loop – Solid 3M_7100284270P60203Hook-and-loop – SolidOn order €159,50
P60 / 203 / Sticker – Full 3M_7100284339P60203Sticker – FullOn order €159,50
P80 / 76 / Hook and loop – Mesh 3M_7100284521P8076Hook and loop – MeshOn order €61,00
P80 / 76 / Hook-and-loop – Solid 3M_7100284510P8076Hook-and-loop – SolidOn order €55,50
P80 / 76 / Sticker – Full 3M_7100284532P8076Sticker – FullOn order €55,50
P80 / 127 / Hook and loop – Mesh 3M_7100284531P80127Hook and loop – MeshOn order €78,00
P80 / 127 / Hook-and-loop – Solid 3M_7100284210P80127Hook-and-loop – SolidOn order €71,00
P80 / 127 / Sticker – Full 3M_7100284211P80127Sticker – FullOn order €71,00
P80 / 152 / Hook and loop – Mesh 3M_7100284530P80152Hook and loop – MeshOn order €94,00
P80 / 152 / Hook-and-loop – Solid 3M_7100284610P80152Hook-and-loop – SolidIn stock €85,50
P80 / 152 / Sticker – Full 3M_7100284539P80152Sticker – FullOn order €85,50
P80 / 203 / Hook and loop – Mesh 3M_7100284518P80203Hook and loop – MeshOn order €175,00
P80 / 203 / Hook-and-loop – Solid 3M_7100284507P80203Hook-and-loop – SolidOn order €159,50
P80 / 203 / Sticker – Full 3M_7100284536P80203Sticker – FullOn order €159,50
P120 / 76 / Hook and loop – Mesh 3M_7100284266P12076Hook and loop – MeshOn order €61,00
P120 / 76 / Hook-and-loop – Solid 3M_7100284511P12076Hook-and-loop – SolidOn order €55,50
P120 / 76 / Sticker – Full 3M_7100284533P12076Sticker – FullOn order €55,50
P120 / 127 / Hook and loop – Mesh 3M_7100284520P120127Hook and loop – MeshOn order €78,00
P120 / 127 / Hook-and-loop – Solid 3M_7100284525P120127Hook-and-loop – SolidOn order €71,00
P120 / 127 / Sticker – Full 3M_7100284513P120127Sticker – FullOn order €71,00
P120 / 152 / Hook and loop – Mesh 3M_7100284508P120152Hook and loop – MeshOn order €94,00
P120 / 152 / Hook-and-loop – Solid 3M_7100284566P120152Hook-and-loop – SolidOn order €85,50
P120 / 152 / Sticker – Full 3M_7100284563P120152Sticker – FullOn order €85,50
P120 / 203 / Hook and loop – Mesh 3M_7100284343P120203Hook and loop – MeshOn order €175,00
P120 / 203 / Hook-and-loop – Solid 3M_7100284568P120203Hook-and-loop – SolidOn order €159,50
P120 / 203 / Sticker – Full 3M_7100284524P120203Sticker – FullOn order €159,50
P150 / 76 / Hook and loop – Mesh 3M_7100284506P15076Hook and loop – MeshOn order €61,00
P150 / 76 / Hook-and-loop – Solid 3M_7100284519P15076Hook-and-loop – SolidOn order €55,50
P150 / 76 / Sticker – Full 3M_7100284534P15076Sticker – FullOn order €55,50
P150 / 127 / Hook and loop – Mesh 3M_7100284353P150127Hook and loop – MeshOn order €78,00
P150 / 127 / Hook-and-loop – Solid 3M_7100284535P150127Hook-and-loop – SolidOn order €71,00
P150 / 127 / Sticker – Full 3M_7100284514P150127Sticker – FullOn order €71,00
P150 / 152 / Hook and loop – Mesh 3M_7100284342P150152Hook and loop – MeshOn order €94,00
P150 / 152 / Hook-and-loop – Solid 3M_7100284574P150152Hook-and-loop – SolidOn order €85,50
P150 / 152 / Sticker – Full 3M_7100284541P150152Sticker – FullOn order €85,50
P150 / 203 / Hook and loop – Mesh 3M_7100284344P150203Hook and loop – MeshOn order €175,00
P150 / 203 / Hook-and-loop – Solid 3M_7100284540P150203Hook-and-loop – SolidOn order €159,50
P150 / 203 / Sticker – Full 3M_7100284523P150203Sticker – FullOn order €159,50
P180 / 76 / Hook and loop – Mesh 3M_7100282513P18076Hook and loop – MeshOn order €61,00
P180 / 76 / Hook-and-loop – Solid 3M_7100282480P18076Hook-and-loop – SolidOn order €55,50
P180 / 76 / Sticker – Full 3M_7100282512P18076Sticker – FullOn order €55,50
P180 / 127 / Hook and loop – Mesh 3M_7100282219P180127Hook and loop – MeshOn order €78,00
P180 / 127 / Hook-and-loop – Solid 3M_7100281808P180127Hook-and-loop – SolidOn order €71,00
P180 / 127 / Sticker – Full (ref. 7100282084) 3M_7100282084P180127Sticker – Full (ref. 7100282084)On order €71,00
P180 / 127 / Sticker – Full (ref. 7100282085) 3M_7100282085P180127Sticker – Full (ref. 7100282085)On order €71,00
P180 / 152 / Hook and loop – Mesh 3M_7100281804P180152Hook and loop – MeshOn order €94,00
P180 / 152 / Hook-and-loop – Solid 3M_7100282301P180152Hook-and-loop – SolidOn order €85,50
P180 / 152 / Sticker – Full 3M_7100281840P180152Sticker – FullOn order €85,50
P180 / 203 / Hook and loop – Mesh 3M_7100281803P180203Hook and loop – MeshOn order €175,00
P180 / 203 / Hook-and-loop – Solid 3M_7100281837P180203Hook-and-loop – SolidOn order €159,50
P180 / 203 / Sticker – Full 3M_7100282515P180203Sticker – FullOn order €159,50
P220 / 76 / Hook and loop – Mesh 3M_7100282510P22076Hook and loop – MeshOn order €61,00
P220 / 76 / Hook-and-loop – Solid 3M_7100282509P22076Hook-and-loop – SolidOn order €55,50
P220 / 76 / Sticker – Full 3M_7100282514P22076Sticker – FullOn order €55,50
P220 / 127 / Hook and loop – Mesh 3M_7100281811P220127Hook and loop – MeshOn order €78,00
P220 / 127 / Hook-and-loop – Solid 3M_7100281801P220127Hook-and-loop – SolidOn order €71,00
P220 / 127 / Sticker – Full 3M_7100282086P220127Sticker – FullOn order €71,00
P220 / 152 / Hook and loop – Mesh 3M_7100281806P220152Hook and loop – MeshOn order €94,00
P220 / 152 / Hook-and-loop – Solid 3M_7100281805P220152Hook-and-loop – SolidOn order €85,50
P220 / 152 / Sticker – Full 3M_7100281838P220152Sticker – FullOn order €85,50
P220 / 203 / Hook and loop – Mesh 3M_7100281810P220203Hook and loop – MeshOn order €175,00
P220 / 203 / Hook-and-loop – Solid 3M_7100281895P220203Hook-and-loop – SolidOn order €159,50
P220 / 203 / Sticker – Full 3M_7100282208P220203Sticker – FullOn order €159,50
P320 / 76 / Hook and loop – Mesh 3M_7100284356P32076Hook and loop – MeshOn order €61,00
P320 / 76 / Hook-and-loop – Solid 3M_7100284509P32076Hook-and-loop – SolidOn order €55,50
P320 / 76 / Sticker – Full 3M_7100284527P32076Sticker – FullOn order €55,50
P320 / 127 / Hook and loop – Mesh 3M_7100284268P320127Hook and loop – MeshOn order €78,00
P320 / 127 / Hook-and-loop – Solid 3M_7100284512P320127Hook-and-loop – SolidOn order €71,00
P320 / 127 / Sticker – Full 3M_7100284516P320127Sticker – FullOn order €71,00
P320 / 152 / Hook and loop – Mesh 3M_7100284271P320152Hook and loop – MeshOn order €94,00
P320 / 152 / Hook-and-loop – Solid 3M_7100284609P320152Hook-and-loop – SolidOn order €85,50
P320 / 152 / Sticker – Full 3M_7100284526P320152Sticker – FullOn order €85,50
P320 / 203 / Hook and loop – Mesh 3M_7100284267P320203Hook and loop – MeshOn order €175,00
P320 / 203 / Hook-and-loop – Solid 3M_7100284537P320203Hook-and-loop – SolidOn order €159,50
P320 / 203 / Sticker – Full 3M_7100284522P320203Sticker – FullOn order €159,50

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