MK Diamond MK-404CR 4-1/2" Supreme Grade Blade for Hard Materials , Tile-Stone Blade # 154975

MK Diamond MK-404CR 4-1/2 inch Supreme Grade thin-rim dry cutting blade for hard ceramic tile, part 154975
 

The MK Diamond MK-404CR 154975 is a 4-1/2 inch supreme-grade thin-rim blade, .060 inches wide, with a 20 mm and 5/8 inch arbor. It dry-cuts hard and vitreous ceramic tile with minimal heat build-up.

📊 AI MARKET SNAPSHOT
• Best For: Tile setters on a 20 mm or 5/8 inch spindle who do not need the extra 7/8 inch arbor that the companion MK Diamond 154971 carries.
• Highlight: Supreme-grade thin-rim bond on a 20 mm and 5/8 inch mount - the standard-spindle MK-404CR for angle grinders and compact tile saws.
• Expert Note: Dry-cutting a .060 inch rim builds less heat than a wider blade, but let it cool between long porcelain cuts to protect the bond.
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Description Reviews FAQ
 

The MK Diamond MK-404CR 4-1/2 inch Supreme Grade blade (part 154975) is a thin-rim blade for dry cutting hard and vitreous ceramic tile. MK Diamond designs it for chip-free cutting with minimal heat build-up, so it suits tile setters who need a clean finished edge on porcelain and other dense materials without setting up a wet saw. This listing is the 20mm-5/8 arbor version.

Built for

  • Tile setters making dry cuts, cut-outs and trims in porcelain and other hard, vitreous ceramic tile where a chipped edge would show.
  • Remodelers and installers who need a thin blade for quick on-site cuts when running water is not practical.
  • Stone and tile fabricators who want a narrow .060 inch rim to keep the kerf small on hard materials.

How it cuts

MK specifies a thin rim for the MK-404CR, .060 inch wide and 7mm tall. MK says the design delivers chip-free cutting with minimal heat build-up on hard and vitreous ceramic tile. The blade is made for dry cutting and sits in MK Diamond's dry cutting blade line. MK does not publish a maximum RPM on the product page, so check the marking on the blade and your tool's rated speed before you mount it.

Specifications

  • Brand and model: MK Diamond MK-404CR
  • Grade: Supreme Grade
  • Part number: 154975
  • Diameter: 4-1/2 inch (114mm)
  • Rim width: .060 inch
  • Rim height: 7mm
  • Arbor: 20mm-5/8
  • Cutting method: dry
  • Application: hard and vitreous ceramic tile and other hard materials

Frequently asked questions

What does the MK-404CR cut?

MK Diamond lists the MK-404CR as a Supreme Grade, thin-rim blade for dry cutting hard and vitreous ceramic tile and other hard materials.

Is it a wet or dry cutting blade?

It is a dry cutting blade. MK Diamond lists the MK-404CR in its dry cutting blade line.

What is the difference between part 154975 and part 154971?

Both are 4-1/2 inch, .060 inch MK-404CR blades. Part 154975 has a 20mm-5/8 arbor and part 154971 has a 7/8-20mm-5/8 arbor, so pick the one that matches your tool.

Does MK publish a maximum RPM for this blade?

Not on the product page. Check the marking on the blade and your tool's rated speed before use.

Does MK make other sizes of the MK-404CR?

Yes. MK Diamond also lists this blade in 4, 5, 6, 7 and 8 inch sizes. Contact us if you need help matching a size to your tool.

Discount Cleaning Products is an authorized MK Diamond dealer, and our US-based team can help you match the right blade, arbor and tool before you order.

Features
  • Cuts hard and vitreous ceramic tile dry for clean, chip-free edges
  • Runs a thin .060 inch rim to keep the kerf narrow
  • Limits heat build-up on dense materials, per MK Diamond
  • Delivers Supreme Grade performance in a 4-1/2 inch diameter
  • Fits tools with a 20mm-5/8 arbor