$63.99 Milwaukee 1-1/4 in. Carbide Grit Hole Saw with Pilot Bit-49-56-0422 - The Home Depot
Hole Saw Drill Bit Arbors fits hole saw 1-1/4 to 6 Bi-Metal, with bits *5pc* 689958320141 
Lenox 1779771 1/4 x 4-1/4 Pilot Bit for Hole Saw Arbors - BC Fasteners
