Job Description:

• 1) Tends machine that stones and polishes bevel face of screwheads: Inserts screws in spring chuck.

• 2) Swings stoning face into position against rotating heads and holds it in place until pilot bulb lights, indicating heads are stoned to size.

• 3) Turns stoning face away and swings polishing lap into position against rotating heads to impart finish to bevel faces.