MK Diamond MK-799D 12" Premium Grade High Speed Blade, Masonry Blade # 156245

MK Diamond MK-799D 12-inch (305mm) premium grade laser welded high speed blade, 1-inch arbor, 10mm segments, for concrete and masonry
 

The MK Diamond MK-799D 156245 is a 12-inch high-speed diamond blade for concrete and masonry, with a .125-inch rim on a 1-inch arbor. It is a general-purpose blade specified for high-RPM cut-off saws.

📊 AI MARKET SNAPSHOT
• Best For: Operators running a 12-inch high-speed saw with a 1-inch arbor, as opposed to the 20mm-bore 156245Z of the same MK-799D blade.
• Highlight: High-speed rim construction is what separates the MK-799D from a standard masonry blade, since it is specified for the RPM range of high-speed cut-off saws rather than a slow walk-behind.
• Expert Note: Arbor is the ordering trap on the MK-799D: 156245 is the 1-inch bore and a 20mm saw needs 156245Z, while both carry the same 12-inch plate and .125-inch rim.
Sale Price: $147.99
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Product Code: 156245
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Description Reviews FAQ
 

The MK Diamond MK-799D 12-inch blade (part 156245) is a premium grade, laser-welded blade for general purpose cutting of concrete and masonry materials. MK Diamond marks this size as one of its high speed blades, so it is a fit for crews that want one dependable blade for a mix of block, brick and concrete.

It is 12 inches (305 mm) across with a .125-inch width, a 1-inch arbor and a 10mm segment height.

Use cases

  • Concrete and block. Make general purpose cuts across slabs, block and similar materials.
  • Brick and masonry. Cut brick and masonry units on the job.
  • Mixed-material work. Keep one general purpose blade for varied masonry cutting.
  • Contractor stock. Carry a premium grade high speed blade in a common 12-inch size.

Specifications

  • Brand: MK Diamond
  • Model: MK-799D Premium Grade High Speed Blade
  • Part number: 156245
  • Diameter: 12 inches (305 mm)
  • Blade width: .125 inch
  • Arbor: 1-inch
  • Segment height: 10mm
  • Construction: Laser welded
  • Cutting method: Dry cutting general purpose blade per MK Diamond

Fit and compatibility

Part 156245 has a 1-inch arbor; the matching blade with the other arbor carries a different part number. Confirm that your saw takes a 12-inch blade and that the arbor matches before you order. Check your saw maker's maximum blade speed and follow it.

Getting the most from the blade

Match the blade to the saw, keep the guard in place, and let the blade cut at the feed rate your saw maker recommends instead of forcing it. Dry cutting concrete and masonry creates silica dust, so wear eye, hearing and respiratory protection.

Frequently asked questions

What is the MK-799D blade used for?

MK Diamond describes the MK-799D as a general purpose, high speed blade for concrete and masonry materials.

What arbor does part 156245 have?

It has a 1-inch arbor.

How tall are the segments?

The segment height is 10mm.

Is it a laser-welded blade?

Yes. The MK-799D is a premium grade, laser-welded blade.

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

Features
  • Cuts concrete and masonry materials as a general purpose blade
  • Runs as a high speed blade, as marked on the MK Diamond product page
  • Stays together under load with laser-welded construction
  • Keeps 10mm segment height for working life on repeated cuts
  • Mounts on a 1-inch arbor in a 12-inch (305 mm) diameter