3M™ Cubitron™ 3 Cloth Belt 1184F
The 3M™ Cubitron™ 3 Cloth Belt 1184F is a next-generation abrasive belt engineered for unprecedented grinding speed, cooler performance, and extended belt life. It features 3M’s re-engineered Precision-Shaped Grain (PSG) technology, which forms sharp, triangular abrasive points that slice through metal faster and with less heat buildup than traditional ceramic grains. In fact, the 36+ grit version cuts up to 86% faster than standard crushed ceramic belts – a massive performance boost that outperforms competitive belts and even previous-generation 3M belts. This high-speed cutting is coupled with a cooler grind that reduces heat discoloration on metal surfaces, allowing for cleaner results and less risk of warping during heavy grinding.
Delivers Faster Cutting and Longer Life Than Conventional Ceramic Belts
Designed for demanding industrial applications, the Cubitron 3 1184F belt excels in medium to high-pressure grinding jobs. Use the 36+ grit belt for aggressive tasks like gate grinding on castings and heavy stock removal, and 60+ or 80+ grits for medium-pressure blending and finishing – all while maintaining superior cut rates. The belt’s durable YF-weight polyester backing and improved grain bonding give it longer life and more consistent wear, so you change belts less often and minimize downtime. Whether in a manual grinder or an automated robotic cell, the 1184F maintains high performance over a long lifespan, translating to more parts finished per belt and lower overall grinding costs



Key Features & Benefits
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Re-Engineered Precision-Shaped Grain – Proprietary triangular grain that cuts faster and lasts longer, continually fracturing to form new sharp edges. This boosts cut rate and abrasive life for greatly improved productivity.
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Optimized for Robotics & Automation – Designed for both manual use and automated grinding systems, it delivers consistent high-speed performance that can increase throughput and uptime in robotic operations.
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Longer Belt Life – Outlasts conventional belts, so you experience fewer change-outs. Tests show significantly extended life; for example, 36+ grit belts remove much more material before wearing out (up to 3× more than the prior generation in automated trials).
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Cool Cutting Action – Runs notably cooler than traditional abrasives, thanks to the PSG technology and an added grinding aid. This reduces heat discoloration and warping on heat-sensitive alloys, resulting in a cleaner finish and lower risk of cracks.
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Lower Grinding Pressure – The sharp, self-sharpening grains mean the belt cuts aggressively with less operator pressure, reducing operator fatigue and improving control. It’s easier on both the worker and the workpiece.
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Stainless-Friendly (INOX) – The belt is formulated to be iron-free and contaminant-free, preventing metal contamination on stainless steel and other sensitive metals. You can grind stainless (INOX) steel without introducing rust-causing impurities from the abrasive.


Advanced Performance in Action
The Cubitron™ 3 1184F belt truly shines in high-production environments. It chews through welds, gates, and rough edges with efficiency, helping you get more done in less time. Many users find that the boost in cut speed (up to 86% faster) not only increases output but also shortens each grinding cycle, which can significantly raise throughput on automated grinding machines. Moreover, the belt’s ability to maintain a sharp cut with less heat means parts come out cooler and require less rework, preserving paint adhesion and metallurgical properties.
Importantly, this Cubitron 3 belt is ideal for automation. Its performance benefits – faster cut, longer life, consistent wear – directly enhance key factors in robotic grinding: uptime, throughput, consistency, and efficiency. By switching from Cubitron II to Cubitron 3 belts, companies have achieved higher output with the same equipment, often with a seamless transition (no retraining or retooling needed) since Cubitron 3 belts can mount on the same machines. These belts make automating grinding even more attractive by reducing the frequency of belt changes and process interruptions.
Overall, the 3M™ Cubitron™ 3 Cloth Belt 1184F represents a new era of abrasive productivity. It enables metalworkers and fabricators to grind faster, stay cooler, and run longer than ever before – whether it’s used for heavy weld removal, casting cleanup, or precision finishing. If you’re looking to maximize output and minimize downtime in your sanding or grinding operations, the 1184F belt is engineered to deliver exactly that.
The Science of 3M™ Precision-Shaped Grain: Increases Productivity & Lowers Overall Grinding Costs

3M™ Re-Engineered Precision-Shaped Grain
Uses 3M microreplication technology to form sharp peaks that easily “slice” through metal-cutting cooler, faster and lasting longer than conventional abrasive grain.

Conventional Ceramic Abrasive Grain
Tends to “plow” through the metal, causing heat to build up in the workpiece and the abrasive – resulting in a slower cut and shorter abrasive life.