center plug

center plug

[′sen·tər ‚pləg]
(design engineering)
A small diamond-set circular plug, designed to be inserted into the annular opening in a core bit, thus converting it to a noncoring bit.
References in periodicals archive ?
About Plug and Play Tech Center Plug and Play Tech Center is the world's largest global technology accelerator and venture fund.
New LukWerks(TM) Media Center Plug in Enables Microsoft(R) Windows Media Center(R) to Service Home Security as Well as Entertainment
Cast center plug in place and let air dry for 24 hours.
Now before you start thinking this is just a Tennessee Technology Center plug, let me say this.
Full browser ?