DIAMOND BLADE UNDERCUTTING IS WHEN THE STEEL CORE WEARS FASTER THAN THE SEGMENTS BY ABRASIVE MATERIAL BEING CUT BY
THE CONCRETE  SAW. IF NOT CORRECTED THE SEGMENTS SIDES WILL WEAR AND BREAK AWAY FROM THE CORE OF THE DIAMOND BLADE.

SPECIFIC SEGMENT DESIGN LIKE UNDERCUT PROTECTION OR SLANTED
SEGMENTS INCREASE WATER FLOW AND PROTECT THE SEGMENTS FROM
WEARING AS FAST. ALSO A DESIGN CALLED “VERTICAL SEGMENTS” CAN BE INSTALLED ON THE DIAMOND BLADE TO HELP IN THE UNDERCUTTING
OCCURING ON THE BLADE.