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0
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1answer
25 views

Is this water stain from rust or (other) minerals

I have a 2nd floor hot-mopped deck with grouted slate tile placed on top of it. During rain, water comes out between the hot mop and tile layers and runs down the side of my home, leaving stains on ...
3
votes
1answer
40 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 ...
7
votes
10answers
928 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 ...
1
vote
2answers
30 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 ...
2
votes
4answers
226 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 ...
0
votes
3answers
56 views

Some ideas on how to block a wheel on a metallic rod?

I manage somehow to put some old inline roller wheel to some old trolleys I use in my house for shopping (and trekking). The average weight is about 20-30 kg. I am looking for a way to fix those ...
1
vote
3answers
43 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
4answers
80 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
3answers
206 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 ...
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 ...
1
vote
0answers
43 views

Software that can optimally determine how to cut metal sheets [closed]

Can someone recommend me a software that will let me enter sheet cut designs and then have it spit out the sheets with their cuts ?
0
votes
0answers
45 views

Repairing rust damage and dents on my standby car

My standby car has got some nicks and minor small dents. Also there is some rust damage on two of the doors and part of the fender, usually spots where dew drop collects. At some places the rusting ...
1
vote
1answer
56 views

Where can I get flexible ferrous/ferritic strip? [closed]

It is easy to find narrow flexible strips that are magnetic on one side and sticky or smooth on the other side, commonly used to turn any object into a fridge magnet. What I want to find is the ...
0
votes
0answers
108 views

Sheet metal fire rating

Does anyone know the fire rating of sheet metal? I'm not sure the exact composition of the materials used in sheet metal to figure this one out. I am thinking of building an enclosure using sheet ...
0
votes
2answers
221 views

Square tube or C-channel for gate frame

I will built a frame for a wood gate like the one below (but mine will slide in a track instead of hang on hinges). I was thinking on using C-channel instead of tubing for the frame, since it will ...
1
vote
2answers
93 views

Mount metal letters to a wall so that they are removable

I have to mount some metal letters to a concrete wall. Until now the plan was to ad pins to the letters and glue them into the wall. This would have required making some holes in the wall. Now the ...
1
vote
2answers
76 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 ...
3
votes
0answers
41 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
2answers
82 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 ...
1
vote
1answer
47 views

How to move/remove the bracing from this desk?

So, I am the proud new owner of this new desk! I've never needed a desk before. Unfortunately, along the long side, I find myself leaning and writing. A lot. The brace at the bottom really gets in ...
1
vote
2answers
109 views

How can I paint galvanized metal?

I often have metal gates galvanized and are required to give the final product a coat of paint. As is known about galvanized metal, the zinc begins to oxidize with the air and creates the flaky ...
3
votes
2answers
113 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 ...
6
votes
2answers
6k 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 ...
1
vote
1answer
415 views

How thick should a plate steel stringer be?

We are goind to built a stair like this one: But instead of two "floating" stringers, since ours will be against a wall, I thought about using plate steel and making it more flush with the wall. ...
0
votes
1answer
78 views

What to use to attach copper to stone?

I am modifying a fountain, by adding spouts, made of shaped copper. I need to attach the spouts to the stone bowl, but am not sure how. The fix must have a watertight seal with the stone, that is, ...
5
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 ...
0
votes
0answers
48 views

Is it good to use a water based primer with oil based enamel on metal

I install outdoor fencing and generally use a water based zinc chromite primer, which attaches well to the raw metal. This coat is really quick to paint and the water based paint seems much quicker to ...
0
votes
1answer
314 views

How to fix metal bulkhead holes caused by rust

At the top of my bulkhead in the center of the seam where the water drains, there are some holes caused by rust. Each about 1/2 inch in length, 1/4 in height. Since the rest of the structure is ok, ...
1
vote
2answers
249 views

How do I remove surface rust from a metal roof?

I am buying a house that requires some minor modifications. One of them is a recommendation to remove a small area of surface rust on a metal roof. I'm interested in the best way to achieve this.
0
votes
2answers
216 views

How to shape this metal?

The metal below was a banding strap in its former life. It is magnetic but slightly rusted at spots, so probably galvanized steel? On the left you can see that I have started to shape the metal. ...
0
votes
2answers
136 views

How do I drill through a shaped tube with a handheld drill?

I'm assembling a corrugated sheet metal fence and I have installed the posts and attached the pieces of shaped tube (rectangular cross section) horizontally and now I need to attach the metal sheets ...
0
votes
2answers
1k views

Rebar cattle guard

Looking for a cattle guard that can be made from available supplies at local home depot. Needs to be able to support 32,000 lbs to meet HS-20 aka cement truck. Schedule 40 re-bar has a tensile ...
0
votes
3answers
235 views

How can I fuse galvanized sheet metal with a circular bottom together so that it is water tight?

I want to make a large circular pot out of sheet metal that can hold water. How should I construct it so that it has a circular bottom and ensure it is leak-proof. Boiling water will be poured into ...
5
votes
2answers
2k 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 ...
2
votes
3answers
3k 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 ...
0
votes
1answer
66 views

How much do holes in metal shrink when it is galvanized?

I'm going to have some mild steel tubes with holes drilled on it hot-dipped galvanized. I need to know how much tolerance or how big the holes should be when I drill them so that they would be at ...
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 ...
0
votes
1answer
537 views

What are the steps for pouring more cement around metal fence posts that are leaning?

When the wooden fence was built, they used metal posts but only filled the 2' hole with one bag of concrete. The posts are leaning at about a 25 degree angle. I want to dig out the hole again, then ...
1
vote
1answer
29 views

Oil or latex for Grade 5 metal parts, in use case not requiring hard wear

I have a possible need to coat hardware parts in a rigging application to reduce visibility. This installation is indoors, in a semi-climate-controlled enclosed space (a church; no worries about rain, ...
2
votes
1answer
287 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
584 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 ...
6
votes
4answers
2k 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 ...
3
votes
1answer
239 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 ...
0
votes
2answers
350 views

How do I paint old brass fireplace doors?

Have old brass fireplace doors. Would like them black or some other color. Can I paint these? If so do I need to take the glass out? And with what paint?
1
vote
1answer
206 views

How risky is it to cap an old (metal system) sprinkler head?

We have an all metal sprinkler system. I need to have one head capped. What is the chance of the pipe breaking? Is it better to leave it alone? The sprinkler head in question is going to be right in ...
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
4k 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
1answer
183 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
2answers
1k views

How effective are DIN 985 self-locking nuts?

They're DIN 985 self-locking nuts that have a plastic ring inside that is meant to cause extra friction and prevent self-loosening of the nut. How effective are they against self-loosening?
1
vote
2answers
2k 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 ...