Job Description:

• 1) Operates compressed-air or steam-driven machine to sharpen large drills, such as rock drills, used in construction, mining, quarrying, and well-drilling: Places cutting end of drill in forge to heat cutting edge to increase malleability.

• 2) Inserts heated drill into die space on machine.

• 3) Starts hammering action of die to shape cutting edge of drill.

• 4) Stops machine and removes edged drill.

• 5) Tempers drill by heating it in forge and quenching it in water, brine, or oil.