Patent ID: 8485066
Filing Date: 2013-07-16
Classification: B23B,B25B

Abstract:
1. A bit for removing a fastener having a security post and a direction of engagement, the bit comprising: an elongated shaft with a longitudinal axis, the shaft having a first end, and a second end, the first end terminating in a tip region having a recess disposed substantially along the longitudinal axis; a plurality of cutting edges extending radially from the tip region, the cutting edges configured to cut into the fastener when the bit is rotated in a direction opposite to the fastener's direction of engagement, wherein each cutting edge defines an angle to the longitudinal axis of the bit, and wherein the second end of the shaft is configured to be received by a chuck of a tool which provides rotational torque; and, a plurality of non-cutting edges extending from the tip region, and, wherein at least one cutting edges defines a scraping surface and wherein the scraping surface includes a plurality of serrations.