Flat-bottomed hole allowing a screw head to sit flush with a surface, or a tool for making such a hole.
A bit for enlarging the upper part of a hole.
Синонимы
Examples for "countersink "
Examples for "countersink "
1 Button head bolts are often used on thin holds that have no countersink .
2 Worn somewhat into the soil, this road served as a countersink and strengthened the position.
3 The valves, C, and their seats, B, bored with a countersink bit, are plainly shown.
4 Maximum stress was found on the lateral border of the number 5 countersink of the plate.
5 Drill and countersink two smaller holes for 2-in.
1 The valves, C, and their seats, B, bored with a countersink bit , are plainly shown.
1 The holes can be counterbored for the heads and then plugged.
2 To make the matter worse, quite a number of the wheels were found to have been counterbored about ½ in.
3 Today I counterbored the four holes in the fenders that will have 3.5 machine screws inserted to act as axles for the wheels.
Grammar, pronunciation and more
Translations for counterbore