MK Diamond's MK-10 is a supreme-grade wet cutting blade built for one job: brick, including the harder ranges that chew through general-purpose masonry blades. Part number 130203 is the 10-inch version, 0.090 inch kerf on a 5/8-inch arbor, sized for small masonry saws and the tile-saw sized rigs a mason keeps on the truck.
MK describes the MK-10 as a soft matrix blade that provides fast, efficient cutting and a long life on all types of brick, especially those in the harder range. That phrase is doing real work. Bond hardness is the single decision that separates a blade that lasts from one that glazes over on the second course.
Built for
- Face brick, engineered brick and hard-fired pavers on masonry and restoration work
- Block and brick trimming on small saws where a 5/8-inch arbor is the limit
- Chimney, fireplace and repointing work needing clean, chip-free cuts on visible faces
- Hardscape crews cutting brick paver borders and soldier courses
- Rental fleets and shops that want one dedicated brick blade rather than a compromise general-purpose blade
Bond hardness, in plain terms
A diamond blade cuts because the matrix holding the diamonds wears away at roughly the rate the diamonds dull, continually presenting fresh edges. The rule is counterintuitive. Soft, abrasive material wears the matrix quickly, so it needs a hard bond that holds diamonds in longer. Hard, dense material dulls diamonds quickly, so it needs a soft bond that releases them and exposes new ones. Hard brick sits in the second camp, and the MK-10's soft matrix is specified for exactly that.
The failure this prevents is glazing: a blade whose diamonds are worn flat but whose bond will not release them. It rides the cut, generates heat and makes no progress. If a blade in service starts to glaze, a few seconds through soft brick or a dressing stone will usually bring it back.
Reading the MK-10 family
MK builds the MK-10 in four sizes and they do not share an arbor. The 10-inch is 0.090 inch wide on a 5/8-inch arbor. The 14, 18 and 20 inch blades are all 0.125 inch wide on a 1-inch arbor. Segment height across the series is 10mm. Match diameter to cut depth and arbor to the saw before ordering.
Specifications
- Part number: MK Diamond 130203
- Series: MK-10, supreme grade for brick
- Diameter: 10 inches, 254mm
- Width or kerf: 0.090 inch
- Arbor: 5/8 inch
- Segment height: 10mm
- Bond: soft matrix, specified for hard brick
- Cutting method: wet
Frequently asked questions
Why does a brick blade need a soft bond?
Brick is abrasive but the harder ranges are also dense. A soft matrix erodes at a controlled rate so worn diamonds shed and fresh sharp ones are exposed. A hard bond on brick glazes over: the diamonds dull, the matrix will not release them, and the blade stops cutting and starts burnishing.
What size arbor does the MK-10 130203 use?
The 10-inch MK-10 takes a 5/8-inch arbor. That is the small-saw size. The larger MK-10 blades, 14, 18 and 20 inch, all use a 1-inch arbor, so do not assume the arbor carries across the family.
Should I cut brick wet or dry with this blade?
Wet whenever the saw allows it. Water controls the heat that kills a blade, keeps the segment from overheating at the weld and takes the silica dust down. Wet cutting also lets a soft bond work harder without burning up.
The blade has stopped cutting. Is it worn out?
Check for glazing before you replace it. Running the blade through a soft, abrasive material such as a common brick or a dressing stone for a few seconds strips the glazed matrix and re-exposes diamond. A blade that will not recover from dressing, or that has lost most of its 10mm segment height, is genuinely finished.
What is the segment height when new?
MK publishes 10mm segment height for the MK-10 series. Measuring remaining segment height is the honest way to judge blade life left, rather than guessing from linear feet cut.
Discount Cleaning Products is an authorized dealer for this line, with US-based product support from people who sell this equipment every day. Call or email before you order if you are unsure about fitment, sizing or which grade suits your work, and we will check it against the manufacturer specification rather than guess.
