Patents Assigned to Fisch Precision TooL Co., Inc.
  • Brad point drill bit
    Patent number: 5980169
    Abstract: A brad point drill bit having a boring tip defined by at least a pair of peripheral cutting members and a center blade disposed therebetween. The center blade is formed with a protruding central cutting edge for engaging a workpiece. The center blade also has two concave lateral cutting edges radially extending from the central cutting edge and rotationally offset therefrom. The peripheral cutting members comprise spurs having two cutting edges and pointed in a clockwise rotational direction of the drill bit.
    Type: Grant
    Filed: October 16, 1997
    Date of Patent: November 9, 1999
    Assignee: Fisch Precision TooL Co., Inc.
    Inventor: Anthony G. Hinch