| SKU | 7100412421 |
|---|---|
| Legacy SKU | 60440624561 |
| UPC | 00068060132420 |
| Product Number | 1187C |
The 3M Cubitron 3 Roloc Fibre Disc 1187C features re-engineered 3M Precision-Shaped Grain taking the legendary speed and life of 3M Cubitron Performance Abrasives to a whole new level. These product benefits include allowing for increased productivity and lower overall grinding costs vs. other competitive quick-change discs when grinding a variety of metals, including stainless steel and other heat-sensitive alloys. This long-lasting disc has a fast cut rate with high stock removal across a wide range of a
- OPTIMIZED MINERAL: The curved sides of Re-Engineered 3M Precision-Shaped Grain help to maintain sharp points that cut exceptionally fast with less pressure
- ADDITIONAL FEATURES: An incorporated grinding aid helps minimize grinding temperatures for stainless steel and other heat-sensitive alloys
- BUILT TOUGH: A stiff fiber backing and strong resin bond provide durability and tear resistance, not only for heavy grinding applications and beveling, but — thanks to the variety of mineral grades offered — also for medium-pressure surface grinding, weld removal, blending, and robotic operations
- COOL CUTTING: Features a grinding aid and requires less pressure to use, enabling predictable wear while helping to reduce metal discoloration and the risk of stress cracks on heat-sensitive alloys, such as stainless steel, and non-ferrous metals
- LONG-LASTING: Maintains sharp points that cut exceptionally fast along the entire life of the fibre disc across a range of application pressures
- STAY PRODUCTIVE: Designed for significantly longer disc time, this disc delivers more parts completed per disc while cutting down on abrasive waste, reducing changeouts or downtime
Product Dimensions |
Imperial | Metric |
| Weight | 0.371 lbs | |
|---|---|---|
| Width | 3-1/2 in | |
| Length | 3-1/2 in | |
| Height | 3 in | |
| Center Hole Diameter | 0.0 NP |
Shipping Dimensions |
|
| Weight | 4.07 lb |
|---|---|
| Length | 16.1248 in |
| Width | 7.75 in |
| Height | 4.6248 in |
| Color | Purple |
|---|---|
| Thread Size | Non Pertinent |
PRODUCT FAQ
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What grit level is the Cubitron 3 Roloc disc, and what tasks is it best for?
The 80+ grit makes this disc ideal for aggressive material removal and grinding applications. It's perfect for taking off rust, paint, welds, and other heavy stock removal jobs where you need fast, efficient cutting action.
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How many discs come in each order, and what's the die size?
Each carton contains 50 discs, with 500 total discs per case, so you're getting 10 cartons. The die size is R150S, which is 1-1/2 inches in diameter – a great versatile size for many grinding applications.
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What makes the Cubitron 3 better than older fiber disc options?
Cubitron 3 technology features sharp, long-lasting abrasive grains that fracture as they wear, constantly exposing fresh cutting surfaces. This means faster stock removal, longer disc life, and less heat buildup compared to conventional fiber discs – giving you better performance and real cost savings over time.
The 3M Cubitron 3 Roloc Fibre Disc 1187C represents an advanced abrasive solution designed to significantly reduce operator fatigue during extended grinding operations. This achievement is accomplished through a combination of technological innovations that work in concert to enhance both efficiency and comfort during use. The disc's notably accelerated cutting performance enables users to accomplish their work objectives while applying considerably less downward force compared to traditional abrasive products, thereby decreasing strain and improving workplace ergonomics.
To address the challenges associated with heat generation during grinding operations on temperature-sensitive substrates, this product incorporates a specialized grinding aid component. This additive functions to moderate the temperature rise at the contact point between the abrasive and workpiece, thereby minimizing the risk of undesirable metallurgical consequences such as surface oxidation, discoloration, and thermally-induced stress fractures that can compromise workpiece integrity.
The structural foundation of this disc features a rigid fiber-reinforced backing material combined with a robust resin bonding system. These engineered components work together to provide exceptional durability and resistance to tearing, enabling reliable performance across medium to heavy-duty grinding applications. The disc's effectiveness is further enhanced through 3M's proprietary Precision-Shaped Grain technology, which has been refined to cut through metallic surfaces with superior precision, maintain uniform wear characteristics across the abrasive surface, and continuously regenerate its cutting edges as the individual grain particles fracture during use.




















