Patent ID: 8876444

Claim:
A depth limiting device for a boring tool for attachment to a drill bit or driver bit having a collar secured thereto, comprising: a housing, said housing having external threads, said housing having an aperture for receiving the tool bit and a portal for receiving the tool bit and the collar therein, said housing having ratchet teeth; and a sleeve having internal threads for mating with said external threads in order to removably interconnect said housing and said sleeve to enable relative rotation between said housing and said sleeve in order to adjust longitudinal length of the device and thereby travel or depth distance parameter of the stop function afforded by the device, said sleeve having a pawl for engaging a selected one of said ratchet teeth in order to retain the device in a desired position of adjustment, said sleeve having contacting portion for contacting a work-piece when the tool bit is operationally moved against the work-piece and to the stop position during operational rotation thereof to thereby enable desired stop function.