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chrs1961815 · 03-18-2020, 06:21 PM

A friend of mine is helping me redo my brakes and we were having a hard time cutting one of the hubs on the lathe even with a carbide bit. He remarked that "some hubs cut nice, others are very difficult."

This led me to think: why is that? Ford obviously hardened the hubs originally but why are some harder than others?

03-18-2020, 06:21 PM	#1
chrs1961815 Senior Member Join Date: Jul 2018 Location: Spring Grove, Illinois Posts: 1,371	Hub Hardness and Cutting A friend of mine is helping me redo my brakes and we were having a hard time cutting one of the hubs on the lathe even with a carbide bit. He remarked that "some hubs cut nice, others are very difficult." This led me to think: why is that? Ford obviously hardened the hubs originally but why are some harder than others? __________________ "The more things change, the more they stay the same."