What are the pins in a lock called?
Pins are sometimes called tumblers (a misnomer). They are manufactured in various lengths relative to the diameter of a given lock cylinder plug. Common after-market pins have a conical end and a flat end. Some pins are flat on both ends and are used as master pins or top pins.
What does pinning a lock mean?
The PIN lock is an authentication measure for mobile phones that requires the entry of a personal identification number (PIN) code before a device can be used. Most mobile phone users lock their devices with PIN codes to prevent fraudulent use in case the phone set is lost or stolen.
What is a 5 pin lock?
In a 5-pin system, there are two sets of five pins in each lock, top and bottom, and a set of springs. The top pins are all the same size and are flat on both ends. The bottom pins vary in length (in . 023″ increments) and are tapered on both ends. This key won’t operate the lock.
Where do pins sit on a key?
Upper pins sit between springs and the pin tumblers. The spring and upper pins are fully extended and the pin tumblers are aligned inside the barrel of the lock. When a key is inserted into the lock they press against the pin tumblers forcing them into the upper chamber pins and compressing the springs.
What is a master pin in a lock?
Master Pin: Usually a cylindrical shaped tumbler which is often flat on both ends, placed between the top and bottom pin to create an additional shear line. The height which the bottom pins must be raised by the key in order to rotate the key cylinder.
What are the pins on the bottom half of a pin stack referred to as?
The bottom pin (also called the “key pin”) appears in red in this diagram. The top pin (also called the “driver pin”) is shown in blue.
How many pins are in a lock?
Many locks are made of the same basic parts: pins (usually 12) and springs. The upper six pins are the same size, and the bottom six pins come in varying sizes to match up with the grooves on your particular key. The little springs serve to hold the pins in place.