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2. Drill bit shank - Wikipedia

   en.wikipedia.org/wiki/Drill_bit

   A Forstner bit could bore the mounting hole for the hinge, but particle board and MDF are very abrasive materials, and steel cutting edges soon wear. A tungsten carbide cutter is needed, but the complex shape of a forstner bit is difficult to manufacture in carbide, so this special drill bit with a simpler shape is commonly used. It has cutting ...

3. Drill bit shank - Wikipedia

   en.wikipedia.org/wiki/Drill_bit_shank

   This allows drill presses with 1 ⁄ 2-inch (13 mm) chucks to run the larger drills. S&D bits are 6 inches (150 mm) long with a 3-inch (76 mm) flute length. The name comes from a company in Salem, Ohio that broke up into other companies circa 1890; bits of this design were popularized by that company. Easy to centerless grind or turn on a lathe

4. Drill bit sizes - Wikipedia

   en.wikipedia.org/wiki/Drill_bit_sizes

   11/32 inch drills: long-series Morse, plain Morse, jobber. The image shows a long-series drill compared to its diametric equivalents, all are 11 ⁄ 32 inch (8.7313 mm) in diameter. The equivalent Morse taper drill shown in the middle is of the usual length for a taper-shank drill. The lower drill bit is the jobber or parallel shank equivalent.

5. List of drill and tap sizes - Wikipedia

   en.wikipedia.org/wiki/List_of_drill_and_tap_sizes

   Schematic of a machine tap. Below is a comprehensive drill and tap size chart for all drills and taps, imperial and metric, up to 36.5 millimetres (1.44 in) in diameter.. In manufactured parts, holes with female screw threads are often needed; they accept male screws to facilitate the building and fastening of a finished assembly.

6. Catholic nun arrested for bringing mafia messages to prisoners

   www.aol.com/catholic-nun-arrested-bringing-mafia...

   An Italian nun was arrested Thursday as part of a long investigation that led to the arrests of 25 suspects and the seizure of over 1,800,000 euros. Catholic nun arrested for bringing mafia ...

7. Benjamin Forstner - Wikipedia

   en.wikipedia.org/wiki/Benjamin_Forstner

   The Forstner bit continues to be manufactured, although it has evolved into a split-ring design. Also, modern Forstner bits normally feature a (non-screw) lead point (AKA "brad point" or "center spur"), unlike Forstner's original, although rim-guided bits are still available from some manufacturers. [2] [better source needed]