987C Cubitron II Grinding Discs - TN Attachment
Diagram of 3M 987C Cubitron II Grinding Discs - Stainless Steel & Aluminum

987C Cubitron II Grinding Discs - TN Attachment

Use for stainless steel | Aluminum, nickle bronze & more | Up to 5X longer life
By: 3M

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Hands down, the fastest cutting, longest lasting grinding disc for stainless steel on the market.

987C is 3M's top-of-the-line grinding disc for stainless steel, aluminum, nickel bronze, and other softer metal applications.

Made using 3M's breakthrough Cubitron II grain abrasive, this disc cuts faster, and increases productivity compared to other leading ceramic discs.
Some shops have seen up to 5 times longer life.

Speeds jobs like edge chamfering, beveling, and removing stainless steel welds, mill scale, pits and imperfections, machining grooves, and more — all for a lower cost per grind.

Cubitron II Grinding Discs are made with unique 3M precision-shaped ceramic grain technology, engineered with ultra-sharp, fast-cutting points that wear evenly, run cool, and optimize mineral breakdown to maximize disc life.
The sharp-edged, pyramidal Cubitron II grains are electrostatically oriented so they point upward to form sharp peaks, acting like individual cutting tools that slice through metal, wear evenly, and provide super-long life and consistency at any grinding pressure.
Mineral breakdown is optimized because, instead of getting rounded as they wear, the ceramic peaks continuously fracture to form brand new, sharp, cutting edges — maximizing performance and disc life.
In contrast, conventional ceramic abrasive grain is irregular in shape. Instead of a clean slicing action, the grain "plows" through the metal, causing heat build up, slower cutting and shorter life. See illustration at left.

User Tip — Especially with coarser 36 grit, use an extra hard red ribbed backing plate to run cooler and prolong disc life; see Related Products, below.

• Precision-shaped abrasive grain
• New cutting edges continually exposed as it wears
• Lasts twice as long as competitive discs
• Fastest cut with less pressure and noticeably less fatigue
• Bonding resin formula is specifically optimzed for fast cutting of softer metals
• Tough, but flexible, fibre backing
• Cool running
• Use wet or dry
• Note that "+" grits indicate abrasive particles of the specified grade, and finer
• Offered in two tool attachment systems - 5/8-11 TN quick change, and a traditional 7/8" mounting hole
• Sold by the box

Economical alternatives include 985C (3M's original Cubitron disc) and 785C (blended mineral) grinding discs; see Related Products.
Click on See detailed table of all productsto see specifications of product options.
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Sku#Item ID3M#AvailabilityDescriptionUOMYour PriceQTY
378568MMM 27665 27665Loading...5" x TN Quick Change 987C Cubitron II Grinding Disc - 80+ (25)Loading...
378567MMM 27662 27662Loading...5" x TN Quick Change 987C Cubitron II Grinding Disc - 60+ (25)Loading...
378566MMM 27467 27467Loading...5" x TN Quick Change 987C Cubitron II Grinding Disc - 36+ (25)Loading...
378571MMM 27666 27666Loading...7" x TN Quick Change 987C Cubitron II Grinding Disc - 80+ (25)Loading...
378570MMM 27663 27663Loading...7" x TN Quick Change 987C Cubitron II Grinding Disc - 60+ (25)Loading...
378569MMM 27468 27468Loading...7" x TN Quick Change 987C Cubitron II Grinding Disc - 36+ (25)Loading...
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