countersink
/ˈkaʊntərˌsɪŋk/
verb
- To shape the top of a hole so that the head of a screw or bolt sits flush with or below the surface.
- Make sure to countersink each screw so the wood surface stays smooth.
- The carpenter countersunk the bolts to prevent them from catching on clothing.
- He used a special drill bit to countersink the holes for the cabinet hinges.
noun
- A conical hole cut into a material to allow the head of a screw or bolt to sit flush with the surface.
- The countersink was too shallow, so the screw head still stuck out.
- A proper countersink helps create a clean, professional finish on woodworking projects.
- She drilled a countersink into the metal plate before inserting the fastener.
Synonyms