Drill bit shank in drills meant to reach into very tight spaces, and threaded countersink cutters are widely used (along with finely adjustable depth stops) to create holes which put a matching rivet directly flush with the surface. Drill bit shank The shank is the end of a drill bit grasped by the chuck of a drill. The cutting edges of the drill bit contact the workpiece, and are connected via the shaft with the shank, which fits into the chuck. In many cases a general-purpose arrangement is used, such as a bit with cylindrical shaft and shank in a three-jaw chuck which
Fear Is the Key Fear Is the Key Fear Is the Key is a 1961 first-person narrative thriller novel by Scottish author Alistair MacLean. In the prologue, set in May 1958, John Talbot, owner of Trans Carib Air Charter Co is at an airfield in British Honduras, awaiting radio contact with one of his aircraft en route to Tampa, Florida. Not long after establishing contact the aircraft is attacked by a P-51 Mustang, after which all contact is lost. Two years later, Talbot is on trial for robbing a bank. At a point where his guilt is in doubt, new information comes to light