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14
votes
5answers
7k 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 ...
7
votes
10answers
2k views

What can I use as a bowl for a DIY fire bowl/pit?

I'm looking at creating my own fire-bowl as i would find it more fun and satisfying instead of just buying on and plonking it down. I haven't decided yet if I want it standing or sunk but that ...
7
votes
7answers
16k 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 ...
6
votes
3answers
1k views

How to make small wheels with minimum equipment (No lathe)

I'm always looking for cheap wheels of various kinds, and rarely find anything for under £1 a piece. How can I make a nicely round disc out of metal (aluminium) or wood with a central hole, if I ...
6
votes
4answers
3k views

How to rescue exterior door paint job?

I have a newly installed exterior metal paneled door that was still dirty when painted. Also embedded in the paint job are bits of foam rubber from the brush, lint from a paint roller and hair from an ...
6
votes
2answers
9k views

Can metal studs support a 64" plasma TV on a swiveling mount?

Alright, I need a sanity check here. I've been tasked with mounting a 64" plasma TV with an articulating mount onto a metal stud wall in the corporate boardroom. It's the quadruple-threat with no room ...
5
votes
2answers
3k views

How do I drill into an existing galvanized fence post?

I have an existing metal fence post, set in concrete, in which I'd like to drill a new hole in that post. Normally, I would use a drill press to drill into a curved surface like this. Since the post ...
5
votes
2answers
8k 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
2answers
9k 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
2answers
2k 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 ...
5
votes
1answer
388 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
1answer
351 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
8answers
3k views

How can I drill a big diesel tank without emptying it first?

Need to make a hole in a big steel diesel tank. I would say it has 5000 liters capacity, and it should have at least 2/3 filled or more. Metal Sheet: At least 3 mm thick. Drill hole is 1" or 2", not ...
4
votes
3answers
6k views

How can I fuse galvanized sheet metal together so that it is water tight?

Is it possible to fuse sheets of the galvanized sheet metal that they sell at the hardware store for roofing together so that it is water tight? I was thinking that this may be able to be ...
4
votes
1answer
2k 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
501 views

How can I join vinyl decking to metal door frame?

Shoddy workmanship by a lousy contractor has left me with a vinyl deck that allows water to leak into the garage below. I identified the location of the leak - where the vinyl meets the metal frame ...
4
votes
1answer
2k 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 ...
4
votes
1answer
919 views

Is there an issue using a stainless steel bolt with a hot-dip galvanized nut and washer?

Question says it all. Will there be a problem using a stainless steel bolt with a hot-dip galvanized nut and washer? This will not be a load-bearing application, will be exposed to outdoor conditions ...
3
votes
9answers
12k views

What can I use as a thread “tightener” compound for a free-running bolt?

(I'm familiar with thread "locking" compounds, purple, blue, and red, but that's not what I'm looking for here. They lock once and then upon breaking the joint, do nothing further.) I'm looking for ...
3
votes
1answer
53 views

How to drill steel with large bit outside the drill press

I need to drill a 12 mm hole in a steel piece 5mm thick, but the whole piece doesn't fit on my drill press. Can this be done anyhow? In my previous experience drilling holes this big with a hand ...
3
votes
1answer
429 views

How to remove paint and refinish metal fan housing front plate

I have an old exhaust fan from the 50s in my kitchen; the kind where you let a bead chain loose and it opens a hatch and the fan engages. Anyways, the fan has a metal faceplate, and a stainless steel ...
3
votes
2answers
6k 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 ...
3
votes
2answers
127 views

Will a rusty tool or bolt lying with other tools or bolts induce them to rust as well?

I have a toolbox with a bunch of tools in it. In addition, I have a large plastic box where I keep all my bolts and nails in a disarray. Some of the bolts are a little rusty, and some of my tools ...
3
votes
1answer
262 views

Can I use epoxy putty to patch metal?

The outer "frame" of my fireplace is comprised of a thin, sheet-metal-like material that is separating at the seams in some places. Ants are finding their way up from beneath the fireplace and making ...
3
votes
0answers
50 views

What tube should I use for a kitchen rail?

I am building a kitchen rail for hanging utensils and frypans along the wall and need some help choosing the right tube size for the job. Because I'm renting the place I don't want to drill any ...
2
votes
5answers
491 views

How should I cut these speaker stands down to size?

Any recommends on what tool I should use and how I can go about not ruining the finish? Here's a close up of the top: And here's the finished product - thanks for all the help! I used a pipe ...
2
votes
4answers
311 views

How can I attach structure via oval holes in panel struts in a panel van?

I am trying to build storage for a panel van. My problem is how to make use of pre-existing holes for attaching bolts to. The loading space in the van has vertical structural beams which have holes ...
2
votes
2answers
73 views

What is this metal part around the fan's motor in my freezer and how to prevent it from rusting?

A few months ago, while cleaning, I took the plastic cover off the back (of the inside) of my freezer (covers the fan and the cooler) and things looked fine: I didn't put the cover back on and ...
2
votes
3answers
4k views

What glue to bond metal and plastic in cold weather?

I have a small plastic torch (flashlight) with a magnet on the back. I use it to provide light in a small metal trailer. Recently I pulled the torch off the metal wall, and the magnet came away from ...
2
votes
3answers
109 views

Compatibility of aluminum fittings with brass rough-in valve

I am wanting to add a permanent electronic temperature sensor to a brass rough-in shower valve. For this particular rough-in valve, I can thread a thermowell into the outlet that is normally used for ...
2
votes
2answers
93 views

How can I clean this metal box?

I have this metal box, I believe stainless steel. As seen in the following photos, this box has many grooves and details. These small grooves are filled with grime, dirt, gum, candle wax, smoke, some ...
2
votes
1answer
350 views

How can I trim metal window wells after lowering the grade around them?

I just had a new stamped patio poured. We lowered the grading so now the widow wells are higher than the patio. I want to install window well covers but need to cut down the window wells (below the ...
2
votes
2answers
743 views

What material should I use for a platform that holds 300-500 lbs?

I am making a flat platform with 4 leveling feet that can hold a 150 lb Corrosion-Resistant Heavy Duty Blower plus another 150-350 lb (so in total 300 - 500 lbs of mass). It is around 24" x 24". Do ...
2
votes
1answer
1k views

What is the best tool to grind down a smaller metal rod?

I am building this workbench and I have decided to recess the nut and washer inside the top of the bench, so that I won't cut/scape myself while I'm leaning up against it. Now my issue is that the ...
2
votes
2answers
110 views

How do I fill the hole caused by removing a door plate on a metal door jamb?

I recently got new doors and need to move the door plate on a metal door jamb. I was hoping someone had the know how on how to fill the hole that will now be on the door jamb from where the previous ...
2
votes
3answers
145 views

Attach net/hammock to interior walls

Imagine a square room with four walls (12x12). Say you wanted to string a net across the area at a height of 6 ft, like a hammock. The net will be attached on all 4 walls, and it must support up to ...
2
votes
1answer
621 views

How to determine if a faucet is plastic or metal?

On the first picture below I am pretty sure the grip is made of plastic because it feels very light, when I lift it. On the second I have no idea. Question How do I tell if the grip of a faucet is ...
2
votes
2answers
82 views

Does anyone have the name of a liquid that bonds to rust and produces a hard black finish?

Years ago I purchased a thick substance/liquid in a small white plastic jar from Sears. It was a thick off-white liquid that one would paint onto a rusty metal surface. The liquid would change to a ...
2
votes
3answers
359 views

What is the metal I have in my wall?

I've been trying to mount a TV on my wall, and have encoutnered a problem locating and drilling into studs. I used a stud detector to look for studs in my wall, and proceeded to drill. Instead, I ...
1
vote
2answers
157 views

Suggestions for dealing with the sharp corner of a storm drain

The (city-owned) storm drain outside my house has a corner that protrudes about half an inch from the line of the sidewalk. It's sharp enough to puncture a tire; I've lost a few to it over the years, ...
1
vote
3answers
5k views

How can I update this very stubborn antique bed frame so the mattress fits properly?

How stubborn you ask? Well the bed frame has three issues, but really only one and the other two are only a result of the first: The rails are too short. Not by much, maybe an inch. Maybe even ...
1
vote
2answers
3k views

How to repair this metal corner siding?

My dog run attaches to the back side of my house, and every time my dog sees or hears something in the front lawn worth chasing after, she goes tearing after it around the side of the house. When she ...
1
vote
3answers
219 views

Metal conduit balusters

I'd like to use galvanized metal conduit as deck balusters with pressure-treated lumber. Will the bare metal resist rust? If not, is there an inexpensive way to improve its rust resistance?
1
vote
2answers
2k views

How should I protect the metal of a power rack that's kept outdoors?

I plan on building a power rack for my home gym and was wondering what kind of metal/coating I should use when building it since it will be stored outdoors. Most commercial power racks are built using ...
1
vote
2answers
79 views

Threading aluminum

I have some "very finely-threaded" screws with flat endings and some un-threaded aluminum "bar" (2mm thick). I wish to have that "bar" threaded according to the screws, but since they are not ...
1
vote
2answers
1k views

How does one typically do “Old Work” with metal junction boxes?

I am trying to add a light fixture to a room. I have access to the studs in the wall (new wall being added to the room), but the ceiling is drywalled. There is no attic access. Unfortunately, the ...
1
vote
3answers
344 views

Can I shave the bottom of a metal casement window to get it to close fully?

I have a Casement Window installed that, as the new building has begun to settle, now has to be forced closed. It is on the verge of breaking the crank off now because it is so difficult. While wood ...
1
vote
1answer
285 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 ...
1
vote
1answer
200 views

Is it possible to silver braze steel parts printed by a 3D printer? [closed]

Is it possible to silver braze steel parts printed by 3D printer? If yes, are there some special procedures to be taken, or different materials to be used as filler or flux?
1
vote
1answer
341 views

How do I secure a steel rod inside a blind hole of a silumin part?

A part of my hacksaw responsible for keeping the blade tensioned broke apart. One of the parts is a piece of silumin which has a blind hole 4 millimeters in diameter and about 15 millimeters deep. A ...