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Spot welded a 1/2 inch grade 8 steel nut to 11 gauge steel plate. Spot weld only lasted 1/2 second. Inserted a dowel rod into the nut to keep spatter out of threads. Ran a tap thru the nut several times after the weld. Applied anti seize lube to the threads of the bolt. Bolt was difficult...

I have dug two post holes 3 feet deep by 10 inches in diameter for a 10 foot steel post, to attach a gate to block access to my garage. With just a little rain, both holes filled up with water. I pulled the water out 3 times with a shop vac but the water keeps coming back. The soil is 100%...

I called the only welding supply house in my town today and they told me they could not supply me with argon. When I asked when they would get more, I was told a date could not be given and to call back in 7 to 10 days. This is in north Alabama. Has anyone else had trouble getting argon for...

I have an exterior steel stair case that is exposed to the weather, with pealing paint, and some rust. 1. What is the best way to prepare the surface for painting? 2, What is the best paint to use for this. I contacted one of the epoxy floor coating companies and they told me their paint...

I would like to use this stone to build a six foot high privacy wall behind my garage at the property line. Would this be possible if I dig a trench below the frost line, pour some gravel, and then pour a concrete base with rebar reinforcement? Mortar between the blocks. If not I am open to...

I would like to run some large copper pipe in my garage for air lines. What is the largest diameter copper pipe that I can solder with a standard hand held propane torch?