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I need to make a jig from a 1" diameter shaft about 3 " long. There needs to be a flat on the shaft that is in line with the center line of the shaft within .001". How can I use GD&T to accurately indicate that the axis of the shaft and the flat are inline?

We have a situation on our machine whereby there is a knob that will rotate slowly while the machine is running. The knob is accessibly by the operator. I want the knob to be safe – not able to catch your clothing and no handle sticking out to cause injury. Is there a standard for such a knob...

My company purchased some equipment from a German manufactuer and the gas falme system uses galvanized piping. I thought that was illegal? What are the laws / regulations about using galvanized piping in the USA?

We are developing a machine that will be used world wide and instead of struggling with different languages we want to use icons to represent the different machine functions on the operator control panel. Are there any standards for this?

We are developing a machine that will be used world wide and instead of struggling with different languages we want to use icons to represent the different machine functions on the operator control panel. Are there any standards for this?

Where can I find a complete listing of the ISO shaft and bore tolerance designations (such as H7, p9, etc)?