Counter bore：Counterbore (C'bore)
Counterbore (C'bore)
Counterbore
https://en.wikipedia.org
In machining, a counterbore (symbol: ⌴) is a cylindrical flat-bottomed hole that enlarges another coaxial hole, or the tool used to create that feature.
counterbore
https://tw.dictionary.yahoo.co
a drilled hole that has a flat-bottomed enlargement at its mouth.；a drill whose bit has a uniform smaller diameter near the tip, for drilling counterbores ...
Counterbore Definition & Meaning
https://www.merriam-webster.co
The meaning of COUNTERBORE is to form a counterbore in : enlarge (part of a hole) by means of a counterbore.
Counterbore for #8 Screw HS
https://www.amazon.com
Use these counter bores create a flat bottomed hole. These special drill bits have a pilot that fits into the already drilled hole.
Counterbore Holes
https://www.fictiv.com
A counterbore is a cylindrical hole, with a flat bottom that is larger than and coaxial to another cylindrical hole below it. The counterbore ...
What Is A Counterbore And Where Is It Used?
https://www.apexinds.com
The counterbore tool is typically a specialized drill bit that creates the hole for the body of the fastener and the larger sized cavity for its head, both at ...