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Working With Wood Continued
Here I'm using a 1 3/8" hole saw that will be used for some 1"
electrical conduit or EMT. The top will have two holes and the bottom
will have three holes this size. The reason the hole is so big is to
accommodate the nut for the EMT fitting. The right side along with one spot on top will have
provisions for 1/2" EMT.
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Here I'm counter boring for the larger
nuts that will be used for the 1" EMT.
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I'm using some leftover paneling that was placed on the walls of
Operation Save Christmas for the back of this electrical box. Here I'm
cutting the back to size.
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I used drywall screws to hold the back in place. This paneling is almost
3/4" thick and should work great for this. Now that the woodworking is
almost finished, it's time to work with the metal pieces again.
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Working With Metal Again
I'm drilling and countersinking for some #8 screws that
will hold the sheet metal to the box. When countersinking for screw
heads in something thin, you end up with an enlarged hole when you're
finished. With that being said, all I do is use a center drill first
(which puts the hole on location) then bypass using a drill and jump
right to the countersink.
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If I used a drill that was the size of the body of the screw, that
hole would get enlarged once I was done using my countersink. This is
why I don't use a drill on thin stuff. The hole on the left is from my
center drill and the next step is the countersink (at the top).
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I worked on one hole, turned my work piece 180 degrees and then worked on
the next hole. Then I went to the next screw location and repeated the
process.
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Here I'm doing some final fitting before screwing the metal in place.
Then I transferred the hole locations and screwed it in place.
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Next I transferred the larger holes to the sheet metal (arrows).
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I used a hole-saw for the EMT fittings which went very quick.
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