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It is usually necessary to look at a tap drill or tap size chart to find the appropriate drill bit size for a tap, many of which can be found online. Some tap drill charts provide the appropriate tap to drill bit convers... More »

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Use a drill bit conversion chart to convert various drill bit sizes between different numbering systems. For example, the drill bit conversion chart on CSGNetwork.com is a table of drill bits in fractions of inches, thos... More »

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The exact information found on a drill bit PDF chart depends on the type of the chart. There are three types of drill bit PDF charts available at ImperialSupplies.com: a chart of drill sizes' decimal equivalents, a tap d... More »

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Manufacturers and professional installers use metric tap drill charts to tell which size drills and taps to use in combination to create female screw guides. This allows homeowners or other workers to later add screws an... More »

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A tap and die chart corresponds to various drill sizes and diameters, and to read it, simply match the size of the drill with the appropriate characteristics, such as the thread count per inch and the material type of th... More »

A drill tap, or drill and tap bit, is a tool head that combines a traditional drill bit with the ability to add threads to the hole as it is drilled. A drill and tap bit allows a bolt to fasten into a metallic object. More »

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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... More »

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