2oldman wrote:
My advice is that a vise works great.
Simply mashing or pinching the lug so the wires won't pull out does not measure up as a quality crimp.
To do a quality job, a tool of no less capabilities than
this one should be used. A hydraulic version would be much more expensive.
Here is a nice blog on making cables.
I do have one of the Harbor Freight varieties and it will do a passable job for smaller gage wire if you are very careful. The dies are miss marked and it will not crimp as large of wire as the specs would lead you to believe. It is easy to over crimp and make "wings" on the sides of the lugs. If you continue through all four pages of the blog above, you can see some examples of this at the end.