| I already have a 3/4" conduit jig, but I need to work with 1/2" EMT to create the 1v struts for the shade structure over the deck. Rather than build another conduit drilling jig, I added some shims to make my 3/4" jig work with 1/2" EMT. The shims are cut from 1/4" plywood and are narrow enough to fit between the 1x2s on the jig. You can see that one shim is about twice as long as the flattened tab at the end of a 1/2" strut, and the other is about as long as the flattened portion. You'll actually need one more shim the same width and perhaps 2" long (it really doesn't matter how long that one is). |