May 20, 2002 #1 mechanicaltooling Mechanical Joined Mar 23, 2002 Messages 18 Location IN how to select the steel grade for screws making? how these steels are classified as grades 1,2,3,4,1A,2A,3A? what is the use specific use of these grades?
how to select the steel grade for screws making? how these steels are classified as grades 1,2,3,4,1A,2A,3A? what is the use specific use of these grades?