• 4140 with Colmonoy Welded Flight OD and Chrome Plating
• Nitrided 135M
• 17-4 Stainless Steel with Colmonoy Welded Flight OD
• Inconel
• Hastelloy
• CPM-9V
• Cru-Wear
• S30V
• S90V (CPM 420V)
• D-2
• Carbide Coated

MALLARD ® ZPM ™ SCREWS can be manufactured from any of the following materials to meet your processing needs:

mallard ® zpm ™ Screws