Constipation is a condition in which a person has uncomfortable or infrequent bowel movements. Generally, a person is considered to be constipated when bowel movements result in passage of small amounts of hard, dry stool, usually fewer than three times a week.
Carbide Letter Drills are made of Solid Carbide. These Solid Carbide Drill Bits are designed for drilling abrasive materials such as cast iron, non-ferrous alloys, high silicon aluminum, copper, plastics, bronze, hard rubber and plexiglass. Solid Carbide Drills are for sale in Letter Drill Bit sizes, Numbered Drill Bit sizes, and fractional drill bit sizes. These Letter H drill bits have .2660 decimal equivalent, 2-1/8 flute length, and 3-1/2 OAL. Call Bisco sales staff toll free -1866-247-2635 with any questions on Drill Bits and Solid Carbide Drill Bits.
Outside of North America, Letter size may also be known as American Quarto and the size is indeed almost exactly one quarter of the old Imperial (British) paper size known as Demy 4to (17Â½Ã22Â½), allowing Â½ for trimming.