The First Questions
You need a tap. What information is needed, and how do you choose the right tap for the job?
When you call North American Tool, we will ask for the basic thread description which specifies the diameter, thread pitch or TPI, the Class-of-Fit (for gaging purposes), and the thread type (e.g. 60-degree, Acme, Buttress, Whitworth, Pipe, etc..). All of these features should be called out by the customer, or included on the Part Print.
After that, the following three questions will assist North American Tool in