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CastleRock MI850-14
14" Mi850 Laser Welded Diamond Blade

Since 1979, the Marcrist Company in the United Kingdom has designed and sold Diamond Blades for the European market. Their innovative designs and patented features helped them to become one of the largest Diamond Blade suppliers in Europe . They are the largest supplier of diamond blades to both Switzerland and Germany. Marcrist is now offering their blades in the USA through a joint venture company called CastleRock Tools. They have made their blades available for purchase through our distribution website.
The Mi850 is an excellent blade for use on building materials, concrete products, granite and natural stone, iron, and steel. All 850 Series blades feature a mix of real and synthetic diamonds.
Test results show that this blade cuts 30% faster and has TWICE the life of comparable blades.
Listed below are some of the CastleRock blade's achievements:
- First with an armored core (patented) for strength and noise reduction
- First with a dynamically balanced grinding head for reduced vibration (less chipping)
- First to pioneer double laser welding that fuses diamonds and prevents segment separation (safety)
- First to guarantee no loss of segments on their “M –Segment Technology” blades (they do not break off like other blades)
- Patented noise reduction pattern that allows for viewing of the material being cut through the blade
- First to offer "M-Technology” blades (blades runs cooler and cuts faster)
- They mix real diamonds with synthetic diamonds plus coat them with Titanium for self sharpening
- They have matched their blades with others where an independent lab did the testing...CastleRock/Marcrist blades cut faster and last longer...the test from a German lab prove this to be true...we have the results.
Blade Size | 14" |
Arbor Size | 1" - 20mm |
Diamond Type | Laser Welded |
Shipping Dimensions | 14.25" x 14.25" x 4" |
Shipping Weight | 5.0 lbs |






