Secondary Operations Provided by 
Mercury include a wide array of tasks such
as Broaching, Heat Treatment and Surface Finishing.

These Secondary Operations include:

• Internal Splines, broaching
• Rolling, external threads
• Drilling, Reaming, Tapping & Milling, etc.
• Cut Hexagons, Squares & Keyways, etc.
• Heat Treatment:
  • Case Carburizing
  • Carbonitriding
  • Induction Hardening
  • Through Hardening
  • Nitrocarburizing
• Shot Peening, for greater fatigue life
• Grinding; centerless, cylindrical, or surface
• Barrel deburring of worm threads

In addition, the following surface finishing processes are also available:

• Zinc Trivalent or Hexavalent Plating available in Silver-Blue, Black, or Yellow Dichromate
• Black Oxide Coating
• Zinc Phosphating