Abbreviations and Specific Names. Abbreviations and acronyms based on proper nouns should be written in all capital letters. In most cases, derivative words do not need to be capitalized. This applies to terms based on a professionalâs surname that are used in a general sense today.
Length times width times depth (L x W x D) measures cubic feet and must be measured in feet.
From a toolmakers point of view, there is a difference between thread depth and thread engagment. With regards to engagment, our rule of thumb on v threads is min twice thread OD, more if space allows. on tools that are regulary stripped for servicing this is important as your threads will hold up longer.