Adjustable step drill bit

摘要

An adjustable step drill bit (10) comprises a plurality of cutting disks (16) held in compression on a shaft (14) between two stops (12,18). The cutting disks (16) may be arranged in various configurations. Spacers may also be provided on the shaft (14) with the cutting disks (16). A method of drilling a hole utilizing the drill bit to drill a pilot hole and allowing for the drill bit to be used in a pulling technique is also disclosed.