A threaded pipe is a pipe with screw-threaded ends for assembly. A threaded pipe plug; note that the threaded portion is tapered and so touches the calipers at only two points. Especially precise ...

On a threaded rod, a bevel value of true or a positive bevel value cut off the corner. A negative bevel value produces a flaring bevel, that might be useful if the rod needs to mate with another part.

When plumber’s tape is wrapped around the male threads of a pipe or fitting, this layer of Teflon fills the gaps between the threads and prevents water from seeping through. However, if plumber ...

Diamonds and other gemstones are weighed in metric carats: one carat is equal to 0.2 grams, about the same weight as a paperclip. (Don’t confuse carat with karat, as in “18K gold,” which refers to ...