Gas Carburizing & Carbon Nitriding, Nitrocarburizing, Ion Nitriding, Pack Carburizing and Scale Prevention, Spark Igniters, Duffy-Catalyst, Duffy-Stainless Foil, Refractory Plugs, Nuts & Bolts, Baskets, Alumdum Balls, Heat Treating needs

Gas Carburizing & Carbon Nitriding, Nitrocarburizing, Ion Nitriding, Pack Carburizing and Scale Prevention, Spark Igniters, Duffy-Catalyst, Duffy-Stainless Foil, Refractory Plugs, Nuts & Bolts, Baskets, Alumdum Balls, Heat Treating needs

Condursal Stop-Off Paints
 Products for: Gas Carburizing, Carbonitriding, Nitriding, Nitrocarburizing, Ion Nitriding, Plazma-Nitriding, Pack Carburizing, Vacuum Carburizing and Scale Prevention.

Duffy Company Products
 Spark Igniters, Duffy-Catalyst and Alumdum Balls, Duffy-Stainless Foil, Refractory Plugs, Alloy Nuts & Bolts, Baskets, Duffy Work Station.

Heat Treating Equipment and Supplies
 View a list of companies represented by The Duffy Company in the states of Illinois, Iowa, Minnesota, Wisconsin, Northern Indiana and Northern Missouri.