“Hand Tap” and “Machine Tap”, are terms that don’t always mean what you might think! These are stale industry “legacy” terms. Originally meant to define a purpose, they can be misleading to people in the industry. They should not define a tap’s modern method of use.
According to some handbooks, the term “Hand-Tap” has traditionally been applied to fractional size taps having a standard general-purpose length. Most manufacturers don’t limit the description to fractional sizes. Assumed to be straight-flute, these are taps whose flutes are provided as a space to accommodate chips created as