counterbore

ریشه

From 'counter-' meaning 'opposite, contrary, in return' and 'bore' meaning 'make a hole in something with a tool or by digging'.

مثال

• The counterbore allows the screw to sit flush with the surface.
• He used a special drill bit to counterbore the hole.
• The counterbore must be precisely measured to ensure a proper fit.

ترکیب‌های رایج

Counterbore a hole Measure a counterbore Drill a counterbore Fit a counterbore