Starrett HSS 51mm Hole Saw, Bi-metal, 38mm cut depth, variable pitch teeth for wood, metal, and plastic.
Starrett A10 Quick-Hitch Arbor for 32-210mm hole saws. 9.5mm chuck, 8.75mm hex shank, 5/8-18 thread. Includes HSS pilot drill.
32-155Mm Bi Metal Arbor
Milwaukee Sds Drill 5.5X160 1P
Starrett Hss 64Mm Bi-Metal Fast Cut Hole Saw, 38Mm Cut Depth