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0
votes
1answer
248 views

Why might a weld be weaker than a bolt? [closed]

I've heard that bolts should be used for connections that must be secure, rather than welds. To me this seems odd; I was under the impression that the whole idea of a weld was to make the two pieces ...
13
votes
5answers
5k views

How do I optimally cut a bolt to length?

Once in a while I need a bolt of exactly the right length and it is not one of the lengths available in stores. So I get a longer bolt and cut it to length. Here's the procedure I follow. I screw one ...
4
votes
1answer
7k views

Where can I purchase a block of aluminium?

I'm need a 5" x 5" x 1" block of aluminium. Is this something I can buy online and are there different types of aluminum to consider? Will I have to buy a bigger piece and cut the aluminum down to my ...
5
votes
1answer
337 views

How can I straighten a piece of wire?

I've once seen it on TV: in industrial wire production they use a set of castors that bends the wire back and forth, up and down – always a bit less, until its straight. Is there something similar for ...
5
votes
2answers
1k views

What is the best way to cut metal siding for soffit vents accurately?

I need to add a bunch of soffit vents to my eves, and I have (decorative?) metal siding such as in the picture. I need to do this quickly in the next few weeks before winter. What's the best way to ...
4
votes
1answer
1k views

What are the key differences between a step drill bit and a knockout punch?

Both a step drill bit and a knockout punch seem to be very similar, in that they both make holes in a metal box. The step drill seems to have an advantage, since it can make several size holes using ...
4
votes
2answers
4k views

How do I drill holes in Aluminum / Aluminium sheet?

I have some aluminum / aluminium strips that are about 3 mm thick and about 20 mm wide. I need to drill some holes in them. The holes will be 3.5 mm. What type of drill bit do I need? What speed ...
5
votes
1answer
319 views

Sourcing and installing a stainless steel backsplash

I recently replaced an over-the-range microwave with a hood. Since the hood is about half the height of the microwave, this left a ~15" gap between the preexisting tile backsplash and the start of ...
4
votes
1answer
1k views

methods of detecting a copper pipe in concrete floor

We believe that our copper water line is embedded in the concrete (and rebar) basement floor. We would like to excavate a hole to install a sump pump. We don't want to hit the copper line which we ...
7
votes
7answers
14k views

How to clean rust in hard to reach points on a tool?

I have a cheap tool with some rust on it. It's probably cheaper to buy a new one than to clean it. But I wonder if is there any solution where I can drop it and retrieve it clean. Is there anything ...
1
vote
1answer
170 views

Would this solution work with my dehumidifier?

I have a shed built with concrete blocks and a metal roof, terrible condensation in it and every time I go in, I see water on the walls and floor as well as drips on the metal roof. The shed is not ...
3
votes
1answer
4k views

How do I repair a garage door with a rusty bottom?

Was looking at my garage door as I pulled into home yesterday and noticed that the bottom panel is starting to rust slightly at the bottom. The rust looks like a small mountain range from one side to ...