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2. Milling (machining) - Wikipedia

   en.wikipedia.org/wiki/Milling_(machining)

   The pendant usually provides between four and eight feet of vertical movement. Some mills have a large (30" or more) integral facing head. Right angle rotary tables and vertical milling attachments are available for further flexibility. Jig borer Vertical mills that are built to bore holes, and very light slot or face milling. They are ...

3. Indexing head - Wikipedia

   en.wikipedia.org/wiki/Indexing_head

   Indexing heads are usually used on the tables of milling machines, but may be used on many other machine tools including drill presses, grinders, and boring machines. Common jobs for a dividing head include machining the flutes of a milling cutter , cutting the teeth of a gear , milling curved slots, or drilling a bolt hole circle around the ...

4. Rotary table - Wikipedia

   en.wikipedia.org/wiki/Rotary_table

   To drill equidistant holes on a circular flange; To cut a round piece with a protruding tang; To create large-diameter holes, via milling in a circular toolpath, on small milling machines that don't have the power to drive large twist drills (>0.500"/>13 mm) To mill helixes; To cut complex curves (with proper setup) to cut straight lines at any ...

5. Drill - Wikipedia

   en.wikipedia.org/wiki/Drill

   Pistol-grip drill – the most common hand-held power drill type. Right-angle drill – used to drill or drive screws in tight spaces. Hammer drill – combines rotary motion with a hammer action for drilling masonry. The hammer action may be engaged or disengaged as required.

6. Machine taper - Wikipedia

   en.wikipedia.org/wiki/Machine_taper

   The diameter of the big end in inches is always the taper size divided by 8, the small end is always the taper size divided by 10 and the length is the taper size divided by 2. For example, a Jarno No. 7 measures 0.875" (7/8) across the big end. The small end measures 0.700" (7/10) and the length is 3.5" (7/2).

7. Chuck (engineering) - Wikipedia

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

   A pin chuck is a specialized chuck designed to hold small drills (less than 1 mm (0.039 in) in diameter) that could not be held securely in a normal drill chuck. The drill is inserted into the pin chuck and tightened; the pin chuck has a shaft which is then inserted into the larger drill chuck to hold the drill securely.