Patent ID: 9505063
Filing Date: 2016-11-29
CPC Classification: B23B,B25D,Y10T

Claim Text:
1. A drill bit for use with a depth gauge having at least one inwardly directed projection for attaching the depth gauge to the drill bit, the drill bit comprising: a rear shank portion defining a longitudinal axis and having a retention feature configured to non-rotatably retain the shank portion in a tool holder of a rotary power tool; a front cutting portion extending along the longitudinal axis and comprising at least one helical cutting flute; and an intermediate portion extending along the longitudinal axis and connecting the shank to the cutting portion, the intermediate portion including a longitudinal slot extending parallel to the longitudinal axis and disposed axially frontward of the retention feature, the longitudinal slot configured to receive the at least one inwardly directed projection of the depth gauge for attaching the depth gauge to the drill bit, wherein the longitudinal slot has an axial length greater than an axial length of the projection to enable axial movement between the drill bit and the depth gauge when the projection is received in the longitudinal slot, and wherein the retention feature comprises one of: (a) a plurality of splines that together form a spline-type connection for coupling the shank to a corresponding spline-type connection in a tool holder of the rotary power tool; and (b) a plurality of slots that together form an SDS-type connection for coupling the shank to a corresponding SDS-type connection in a tool holder of the rotary power tool.