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www.reference.com/article/common-pipe-thread-tap-drill-sizes-b06d538d4b7f628d

National Pipe Thread Taper tap drill sizes range from 0.242 inches to 3.243 inches, but pipe thread tap drill sizes vary widely depending on the type of thread to be cut. Some common pipe thread tap drill sizes are 0.438, 0.562, and 1.156, 1.50 and 2.22 inches.

www.reference.com/article/pipe-thread-data-c8dfc2471cfcb086

Find pipe thread data on the data tables and explanations available on the website of the Plumbing Supply Group, LLC. The company provides data on male and female pipe threads and a glossary of commonly used pipe thread acronyms.

www.reference.com/article/can-pipe-thread-sizes-chart-52f817b0b0182bda

The Engineering ToolBox and Maryland Metrics are two organizations that have charts showing pipe thread sizes on their websites. Common American national standard pipe taper threads are the NPT and NPTF, says The Engineering ToolBox.

www.reference.com/article/included-american-national-pipe-thread-chart-d4084d534c59e959

An American National standard taper pipe thread chart includes the nominal pipe size, outside diameter, threads per inch and the pitch of the thread. The chart on the Machining Products website also includes measures of the length and diameter for hand tight engagement, effective external thread, wr

www.reference.com/article/use-drill-79ec292c047fdce1

To use a drill, attach the appropriate drill bit, put on eye protection, hold the drill bit perpendicular to the material to be drilled, and power up the drill. Apply gentle pressure to the drill until the bit enters the material to the desired depth.

www.reference.com/article/size-6-gauges-94d2907bb6e6100d

Size six ear gauges are considered to be larger than average. Most earlobes are initially pierced with an 18- or 20-gauge needle. Gauge sizes typically range between size 20 and 00, with 00 being the largest.

www.reference.com/article/drill-bit-made-1d8e437c4f0f1b28

Drill bits can be made of various types of material, such as low-carbon steel, high-carbon steel, high-speed steel, titanium-coated, cobalt, carbide-tipped and diamond. Depending on the drill bit used, these power tools can bore into wood, plastics, fiberglass, metallic objects and stone.

www.reference.com/article/gauge-thickness-bd26ab9dcd28cd20

Gauge, when applied to sheet metal, is used to determine the thickness of a single piece of sheet metal, with lower numerical values indicative of increasing levels of thickness. There are a number of standard gauge measurements in use, each with slightly different standard thickness.

www.reference.com/article/hand-drill-work-277731bffac789c7

A user operates a hand drill by cranking the handle clockwise, which turns gears on the main shaft; the gears, in turn, amplify and convert the circular motions into rotations in the drill chuck. The drill chuck holds a drill bit which also rotates and makes a hole on the material beneath it.

www.reference.com/article/npt-chart-shows-threads-per-inch-drill-size-9b42dbe0cae4bb3

Find an NPT chart that shows threads per inch and drill size by going to the national pipe taper threads page on The Engineering Tool Box web site and scrolling down to the chart. In addition to threads per inch and drill size, this chart includes five other categories of information.