The brackets to use when steel posts are "the posts" should be of the same grade that the posts are. Nuts and bolts will be used to fasten the brackets from the posts to the wood runners.
gabion fence post detail, http://www.gabion1.com
Wooden Gate, the wind could not blow this one open!
What a great garden door~! It has a hobbit-like peephole.
How to build a gate with a decorative window by Confessions of a Serial Do-it-Yourselfer
house Cliv, OYO
Diagram showing a pulley system with a 6:1 mechanical advantage
scissor truss deck roof - Google Search