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The photo shows the 40 year old panic bar door hardware on our church doors. We had a problem that left us wondering for a bit if we would need to buy...
Sunday mornings we "lock" this door open by pushing the bar toward the door and turning a hex key clockwise in the hole shown. That causes the knuckle...
This view looks down on the mechanism from above. The cover has been removed from the mechanism. The two upper screwholes are visible on the casting. ...
The photo shows the replacement screw I made. The two green lines represent the cracks in the original screw caused by turning the hex key in the wron...
The photo shows a 5/16 inch x 18 thread per inch setscrew 1 1/4 inches long. This is a standard item from the local hardware store and cost just a lit...
The hex nut will be welded to the setscrew so the domed end can be formed. It is necessary that there be an opening for a weld to be made. I ground th...
Grinding may have disturbed the threads enough to make threading a nut onto the setscrew a challenge. Add the nut from the hex socket end of the setsc...
I used a wire feed welder to get into the cavity and fill it with weld material, fusing the nut to the setscrew. (first photo) The second photo shows ...
I chucked the setscrew in an electric drill and spun it while holding it lightly against a spinning grinding wheel. This takes the corners off of the ...
This is the finished part. Right now the original cracked setscrew is still working, but the day may come when the small piece between the cracks brea...
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Posted:
Apr 28, 2012
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