Tend machines that stone and polish bevel face of screwheads.
What does a Bevel Face Stoner and Polisher do?
Tends machine that stones and polishes bevel face of screwheads: Inserts screws in spring chuck. Swings stoning face into position against rotating heads and holds it in place until pilot bulb lights, indicating heads are stoned to size. Turns stoning face away and swings polishing lap into position against rotating heads to impart finish to bevel faces. Removes finished screws from chucks.