Milwaukee® Twist-Release™ Hole Saw Arbor, Quick-Change, For Use With: 1-3/16 in Hole Saw, 3/8 in Larger Drill Chuck, 48-56-8000/48-56-8010/48-56-8005 Pilot Bits, Specifications: 1/2-20 Thread, 3/8 in Hex Shank, 1/4 in Dia x 3-1/2 in L Pilot Drill, Hardened Steel

Milwaukee® carbide grit hole saws are designed for cutting abrasive materials such as brick, block, cement board, fiberglass and tile. Use a Carbide tipped pilot bit when cutting ceramic tile, brick and other abrasive materials.