3M™ Cubitron™ II Depressed Center Grinding Wheel, 78469, T27, 4 in x 1/4 in x 3/8 in, 10 per inner, 20 per case

3MSKU: 3MMXC991187946-EA-DS
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Description

3M™ Cubitron™ II Grinding Wheel is constructed of 3M precision-shaped ceramic grain to bring you an exceptionally fast-cutting and long-lasting rigid bonded wheel for heavy weld removal and other heavy-duty grinding applications. This grinding wheel works well on almost all materials and is specially formulated for use on stainless steel, mild steel, and aerospace alloys.

Manufacturer 3M
Brand 3M Abrasives
Family 3M Cubitron
Main Category Abrasives
Packaging 1EA, 20EA/CS
Weight 5.62 lb

Cuts Fast and Cool
We made our 3M™ Cubitron™ II Depressed Center Grinding Wheel to perform at a level that surpasses competitive wheels in both cut and life to deliver significant gains in productivity. Experience the power of 3M Precision Shaped Grain to provide a cool, extra sharp, quick cut long after other wheels are consumed.

Ideal for Robotic Weld Grinding
In medium and high pressure applications like robotic weld grinding, it's important to choose a high performance abrasive that cuts fast and lasts long. The self fracturing mineral in 3M™ Cubitron™ II Depressed Center Grinding Wheel will keep your robot grinding welds long after other abrasives call it quits, reducing downtime and maximizing efficiency.

Grinding Wheel: Tips for Optimum Use
A grinding wheel is a rigid resin bonded wheel that is approximately 1/4" thick and is useful for removing welds from internal angles. Fiber discs, on the other hand, typically work best for grinding welds on flat surfaces. A grinding wheel must be run on a right angle grinder with a wheel guard that is designed specifically for the size of wheel used. Type 27 wheels have a depressed center to allow grinding at any angle without damaging the surrounding surface with the attachment. The grinding wheel must have a maximum operating speed greater than or equal to the maximum speed of the grinder used.

3M Precision Shaped Grain Maximizes Cutting Potential
3M™ Cubitron™ II products have raised the bar for high performing abrasives. Our team of 3M engineers started with 3M™ ceramic abrasive grain and used proprietary precision shaped grain technology to maximize cutting potential. Precision shaped grain continually fractures into super sharp points and edges that slice cleanly through metal like a knife, rather than plowing as traditional abrasives do, ensuring extended high performance in heavy duty production applications. The grains wear evenly and provide extra long life and consistency with less grinding pressure. We are proud to say that 3M™ Cubitron™ II abrasives outcut and outlast competitive ceramic abrasives, maximizing productivity and minimizing operator fatigue.

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Doug O. Verified Customer
10-30-25

Bought jackets for my employees who work for me and are required to wear reflective wear while out around airplanes. The temperature is getting cooler and wetter they need jackets that keep them dry. They were appreciative to get these. Ordering to arrival was incredibly fast. The people receiving these were surprised how fast they came when I took them in to them.

Stephen P. Verified Customer
10-28-25

The fast shipping was the 2nd most impressive piece. The quality of the products are very high and pleasing as well.

Brian Q. Verified Customer
10-27-25

When I went to your website to order the product I needed, it showed the correct photo and said nothing about the product being out of stock or discontinued. Instead of letting me know this, someone chose to send another similar part that will not work. The product I ordered wasn't expensive. In order to get them however, and meet the 50$ minimum, I purchased another item that I really did not need. When the product arrived, I contacted customer service and they promptly refunded the money for the wrong product. They provided the information that the product has been discontinued. So, in summary, I spent money that I did not want too, for a product I really didn't need and did not get what I really needed. All because the stocking/inventory system failed. The customer service representative was awesome and did evrerything he could to be helpful. So thank him for that.

TREC D. Verified Customer
10-24-25

Excelent

Ricky B. Verified Customer
10-23-25

Everything went smoothly, as usual!

Chris Verified Customer
10-22-25

It was easy to order

Sean M. Verified Customer
10-22-25

Item took longer than advertised to ship. Once item arrived, it was determined to be incorrect size. I have reached out to Customer Service to initiate an exchange but no one has gotten back to me.

DOUGLAS S. Verified Customer
10-22-25

gloves are tight considering they are an extra large. i will be sending them back.

Mask W. Verified Customer
10-16-25

This site is listed on the 3M website as an official distributor. Product was reasonably priced, additional shipping charge wasn't that much, it shipped extremely fast (faster than estimate) and arrived decently packaged. The packaging couldn't be waterproofed, which I would have liked, but the boxes inside were undamaged. The delivery person, who is outside the companies control, sent me a picture that did not show the delivery. The post-purchase prompting for these reviews is a bit much, however. One message asking politely is standard, but I have received several at this point, so this is me leaving a review.

T T. Verified Customer
10-15-25

I always enjoy ordering from Envirosafety. I received my products in a timely matter.

Ignacio F. Verified Customer
10-15-25

Good fast service

William S. Verified Customer
10-15-25

Website was easy to navigate and order from. Turns out the size of the item I purchased was made to order not going to reach me in the initially stated timeframe and unfortunately not available until after the date I needed it by. The folks at EnviroSafetyProducts.com were very responsive, helpful and even cheerful in helping me cancel the order and getting a full refund. BEST customer service I've experienced online in a very long time if not ever. They will definitely be the first place I look next time I need a piece of safety equipment.

Sally K. Verified Customer
10-15-25

I was pleasantly surprised with the speed of delivery and the product. As a woman who is dealing with two cancers ( breast and CLL) it is important for me to feel safe IF I must go out in public during Covid/flu/RSV season and these are medical n95 masks not the fake stuff or industrial masks. Thank you for delivering my safety net

Chase B. Verified Customer
10-09-25

These goggles are something I purchase once a year for Jr. High students to use in science class. They love them and they work wonderfully.

EH Verified Customer
10-06-25

Straightforward transactions. They have what I want and it arrives promptly every time.

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