Lenox Diamond 121085DGDS Hole Saw, 5/16 in Dia, 1-1/8 in D Cutting, 3/8 in Arbor

No arbor required. Split point pilot bit for faster penetration and less walking. Over sized slot in hole saw for easy plug removal with low torque, little pressure required for fast, easy cutting. Continuous, brazed edge lasts longer in tile and stone.