M.K. Morse® 177191 MHS Advanced Hole Saw, 1-3/16 in diameter, 1-15/16 in cutting depth, M42 HSS-Co 8 cutting edge, 1/2-20 arbor.

Patent pending tooth set design - optimized to remove material faster

Premium M42 high speed steel cutting edge, 8% cobalt - over 2X the life of our AV model

New Cap - Reduces run out and vibration

Heavy duty 0.05 in side wall - for greater stability

New Side Slot - Increased leverage for faster, easier slug removal

New exterior red coating - reduces side wall friction for efficient cutting