Drill bit shank The name comes from the German "Stecken – Drehen – Sichern" (Insert – Twist – Secure). In German-speaking countries the back-formation "Spannen durch System" (Clamping System) is used, though Bosch uses "Special Direct System" for international purposes. The triangle shank is almost always made by machining three flats on round bar stock. It is intended as a minor modification of a straight shank, still allowing it to be held in a 3-jaw drill chuck, but allowing higher torque transmission and limited slipping. The Morse taper twist drill bits pictured right are used in metalworking. The full range of tapers is
Fear Is the Key (film) Fear Is the Key (film) Fear Is the Key is a 1972 film directed by Michael Tuchner and based on the 1961 novel of the same name by Alistair MacLean. The protagonist, Talbot, was played by Barry Newman, and the millionaire's daughter Sarah Ruthven by Suzy Kendall. The film features a soundtrack by Roy Budd plus an early film appearance by Ben Kingsley. John Talbot is talking on radio to a girl and another man who are flying a plane. He hears them being machine gunned to death by another plane. Some time later, Talbot appears in a small town