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2. Chuck (engineering) - Wikipedia

   en.wikipedia.org/wiki/Chuck_(engineering)

   A drill chuck is a specialised self-centering, three-jaw chuck, usually with capacity of 0.5 in (13 mm) or less, and rarely greater than 1 in (25 mm), used to hold drill bits or other rotary tools. This type of chuck is used on tools ranging from professional equipment to inexpensive hand and power drills for domestic use.

3. Collet - Wikipedia

   en.wikipedia.org/wiki/Collet

   The series number is the opening diameter of the tapered receptacle, in millimetres. ER collets collapse to hold parts up to 1 mm smaller than the nominal collet internal size in most of the series (up to 2 mm smaller in ER-50, and 0.5 mm in smaller sizes) and are available in 1 mm or 0.5 mm steps.

4. List of drill and tap sizes - Wikipedia

   en.wikipedia.org/wiki/List_of_drill_and_tap_sizes

   Such an appropriately sized drill is called a tap drill for that size of thread, because it is a correct drill to be followed by the tap. Many thread sizes have several possible tap drills, because they yield threads of varying thread depth between 50% and 100%. Usually thread depths of 60% to 75% are desired. People frequently use a chart such ...

5. Machine taper - Wikipedia

   en.wikipedia.org/wiki/Machine_taper

   The Jacobs Taper (abbreviated JT) is commonly used to secure drill press chucks to an arbor. The taper angles are not consistent varying from 1.41° per side for No. 0 (and the obscure # 2 + 1 ⁄ 2) to 2.33° per side for No. 2 (and No. 2 short). There are also several sizes between No. 2 and No. 3: No. 2 short, No. 6 and No. 33.

6. Victims' lawyer questions timing of dementia diagnosis of ex ...

   www.aol.com/victims-lawyer-questions-timing...

   Abercrombie & Fitch's chairman and chief executive Michael Jeffries, in this Feb. 16, 1998, file photo, has a contract that includes a $1 million annual salary & a retirement package not tied to ...

7. Watchdog warns credit card companies over devaluing ... - AOL

   www.aol.com/watchdog-warns-credit-card-companies...

   The Consumer Financial Protection Bureau (CFPB) on Wednesday warned that credit card companies devaluing or canceling reward points, cash back or miles rewards programs may be breaking the law.

8. SF county supervisor calls for 'mass arrests, detox, and ...

   www.aol.com/news/sf-county-supervisor-calls-mass...

   (The Center Square) - San Francisco County Supervisor Matt Dorsey, a Democrat and former addict, is calling for “mass arrests, detox, and treatment” of open-air, often homeless drug users in ...

9. Drill bit shank - Wikipedia

   en.wikipedia.org/wiki/Drill_bit_shank

   Such a drill bit is called a reduced-shank or blacksmith's drill. For example, this allows a 1 ⁄ 2-inch (13 mm) bit to be used in a pistol-grip drill's 3 ⁄ 8-inch (9.5 mm) chuck. One particular type of reduced-shank drill bits are Silver & Deming (S&D) bits, whose sets run from 9 ⁄ 16-inch (14 mm) to 1 + 1 ⁄ 2-inch (38 mm) drill body ...