Borer

Of drill.   May also be referred to as bore bit, rock drill and stone drill.

A drill for penetrating rock.

This concept's ID is @1~15292

Contains

  • cross bit 0 facts

    A rock drill having cruciform cutting edges; used in mining.

  • star drill 0 facts

    A steel rock drill with a star-shaped point that is used for making holes in stones or...

  • straight flute 0 facts

    A rock drill with flutes that are straight.