throughbore

plural throughbores

1. A cylindrical hole that has been bored through something.

   It was decided not to complete the well inside the 5 in liner (4.276 in ID) due to the restricted throughbore in the completion equipment.

   1992, Underwater Technology - Volume 18 -, page 17

   2 more examples

   A water supply hose connecting device for connecting a washing machine water supply hose with a water tap, comprising: an upper connecting member comprising; a first assembly of parts having a first longitudinal throughbore, means for coupling one end of said throughbore to a water tap in a watertight manner, and a band of external threading; ...

   1992, Official Gazette of the United States Patent and Trademark Office, page 777

   In accordance with a third embodiment of the present invention, an endoscopic hand instrument, comprising: a tubular member having an area defining a throughbore extending between a first open end and a seccond open end, wherein the throughbore includes a first portion having a first inner diameter and a second portion having a second inner diameter, wherein the first inner diameter is greater than the second inner diameter;...

   2013, Minimally Invasive Surgical Procedures