You will have to register
or login (See top or bottom of page) before you can post a message or view images: click the appropriate link to proceed. To start viewing messages,
select the forum that you want to visit from the selection below.
REGISTRATION Problems or questions see: Engineers Edge Forums Help & READ ME
Does anyone know what the "flat" or "blunt" lead thread on a plug gage is called? Why is it blunt and not tapered like a normal bolt or screw?
Bottoming Tap or Bottom Tap...
These are used to cut threads close to the bottom of the tap-drilled hole.