Questions tagged [metal-cutting]

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3answers
52 views

What type of cutting disc should I use for cutting steel rods?

I am building a 3D printer and I have bought steel rods which I'm going to have to cut to size. I have already got a rotary tool at home which works. I have only ever used it to cut wood however, so ...
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6answers
3k views

Can/Should I use an angle grinder with a blade for metals on PVC coated metal?

I have a large door frame that I want to break into smaller pieces so I can fit it into my car and take it to the dump. The frame is PVC, but has steel on the inside. I've been trying to avoid an ...
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2answers
177 views

What tool(s) are appropriate for cutting a door opening in shipping container?

I'm thinking about buying a shipping container to use it for storage/bike shed/workshop. I can get one from a retailer with an extra door, but this would be rather expensive. So now I'm investigating ...
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1answer
47 views

Cutting carbon-steel sheet with a sliding grinder

I am new to metalworking and I want to cut some 2mm carbon-steel sheet using my grinder and proper disk. My points are: I can not afford to buy a plasma for awhile I want to slice pieces of 800 x ...
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1answer
60 views

Reduce 8mm square tube to 7mm square tube without pro metal tools?

Old swedish windows have 7mm square tubes for handles. All handles of the design I want are 8mm so I want to make them smaller. I have access to a carpentry with very good tools for woodworking, (...
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2answers
213 views

How can I cut a hole through metal siding to open up a doorway or window?

There is an outbuilding on the property I'm buying that appears to be made of cinderblock. at some point in the recent past, it looks like somebody attached a bunch of metal siding to the outside, and ...
2
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0answers
486 views

Are there any special considerations when cutting powder-coated metal?

I have a thin powder-coated steel sheet which I'd like to cut into panels. I've never cut powder-coated metal before. Are there any considerations I need to make when doing so?
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4answers
123 views

Does a small bolt cutter exist which tensions with a wrench?

Does anyone know if there a bolt cutter which tensions using a wrench? The closet I can find is a nut splitter, but it is not really intended for cutting... Update I need to cut iron rods (I would ...
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6answers
2k views

How can I shorten a reciprocating saw blade?

This rather dated article recommends using a shortened reciprocating saw blade to punch through drywall. I have an old blade (intended to be used to cut wood, as far as I can tell) that I'm happy to ...
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6answers
5k views

How to cut pipe squarely using an angle grinder

I am trying to build a simple bench using wood and steel for the frame. The frame is made of square steel tube (25 mm, 1.5 mm wall thickness) which has to be cut to length. I have recently purchased ...
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1answer
75 views

Best tool to cut 4mm thick straining wire

I need to cut several 1.5m hoops of 4mm thick galvanised steel wire. What's the best tool to do this at a decent pace?
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1answer
65 views

Are watchmaker or mini lathes useful to make adapters and threaded rings for photography and optics tinkering?

Old watchmaker lathes, or very small lathes like the Proxxon FD150/e look affordable used, and not very space consuming either. Can these be used, by a non expert, to build aluminium parts like ...
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3answers
177 views

How to cut many shallow grooves on the side of a square aluminium tube?

I would like to craft a slatted ventilation panel/grill like this: The frame will be made of square aluminium tubes (25 mm side, 3 mm thick). The slanting panes will be cut of 4 mm thick aluminium ...
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3answers
3k views

How to cut round hole in aluminum soffit after installation

Related question After having our roof re-configured and larger overhangs added, I noticed that the contractor placed the bathroom exhaust vent that used to go out the side wall just under the eaves ...
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5answers
86 views

Saw metal conduit even with the floor?

I need to remove this metal conduit or at least bring it even with the floor. I don't need to worry about preserving the wires inside the conduit. I only have a little hacksaw, but I'm open to buying ...
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1answer
113 views

Circular vs Miter Saw Blade difference?

Why do manufactures distinguish whether a blade is for a circular saw or miter saw? Is there difference that I'm not seeing? One of the reasons I'm asking this is that I'm determining the safest way ...
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1answer
4k views

Install deadbolt in metal steel door and door jamb

I searched online but could not find answer to all these questions. I'm installing a deadbolt to a metal/steel door. There is only a sheet of metal and it is hollow (empty inside). I also need to ...
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3answers
11k views

How to cut stainless steel sheet without burning it?

I need to cut out a small section of 1.5mm Stainless steel. Before, when I've made cuts I have used an angle grinder and its resulted in thr stainless becoming scorched/burnt and I can't remove it. ...
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2answers
1k views

When cutting nails with dremel, can sparks be dangerous?

I'm preparing the ceiling in my basement for painting, which means cutting off a ton of nails from the flooring above. I started cutting using my Dremel with the reinforced cutting wheel, but it would ...
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1answer
137 views

Could my grinder cut a 3mm steel plate

I am thinking in building a circular washbasin mounted into a 3mm steel plate. To do it, I need to cut a circle on the plate. I don't have much, just a cheap 1250w grinder and the discs that came with ...
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3answers
230 views

How to unfasten electrical subpanel attached with ramset

I'm getting ready to frame out a wall in my basement that has an electrical subpanel. I would like to move the panel out an inch or so, so I can frame around it and it will be flush with the finished ...
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2answers
59 views

How to cut a door wrapped in sheet metal

In my kitchen I have a dumb waiter; the door is 1" thick solid wood wrapped in 1/16" sheet metal. I removed the old door knob (that's the hole in the photo) to make room for a flush pull. I need to ...
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1answer
66 views

Cutting a stainless tube - without a grinder [closed]

I've got to cut a section of rectangular stainless tube (1/8" thick, 3" x 3", or about 3mm, 7x7cm) but I'm not allowed to use a grinder because of local rules. A circular saw with a grinding blade is ...
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3answers
10k views

How can I cut extremely heavy cast iron?

I want to cut up a large piece of cast iron (think storm drain cover) with thicknesses greater than 1". What would be the cheapest way to accomplish this? It doesn't have to be a fast method. Could ...
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0answers
75 views

How can I cut off steel clothes line poles? [duplicate]

What would be the best way to cut a old clothes line pipe? Believe it is steel not sure It is very sturdy and old.
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1answer
153 views

How can I cut metal roofing and siding into pieces during demolition?

I'm tearing down an old single wide. What is an easy way of cutting the siding (aluminum) and roof (corrugated steel) into manageable pieces.
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2answers
1k views

Cutting and sanding/buffing galvanized steel

I have 3/4" galvanized steel bars (hollow) that I bought from Lowes. I'm looking for a tool that will cut through them and sand/polish the cut surfaces smooth so that there are no metal burs or ...
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1answer
382 views

What tool can I use to cut this heavy wire?

I recently had a 40 ft blue spruce tree removed from my front yard. I dug a hole in that area to put a new tree but noticed there is a solid metal wire inside of this hole. Maybe this wire was the ...
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6answers
1k views

How do I mount a power strip to the smooth metal support structure of a banquet table?

I bought a heavy-duty power strip from Walmart which I would like to mount to the metal support structure of a banquet table. This is the power strip: https://www.walmart.com/ip/49557487 This is the ...
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8answers
6k views

How to drill a 0.75" hole in metal

I'm trying to drill a 0.75" hole in a metal pole. I got a 0.75" drill bit from Home Depot (DEWALT 3/4 in. Black Oxide Reduced Shank Drill Bit) that I was told is appropriate for metal. I used a punch ...
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9answers
21k views

How can I cut off the rusted closet bolts holding my toilet?

I need to change the wax ring on my toilet. The closet bolts that hold it in place are rusted so I need to cut them in order to remove the nuts. I thought of trying bolt cutters. The bolt cutters I ...
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1answer
54 views

Why are 24 TPI jigsaw blades recommended only for up to 3mm of metal?

Multiple German manufacturers e.g. Bosch, Wilpu only recommend their 24 TPI (or 1mm tooth pitch) only up to 2.2 or 3 mm of metal, leaving their coarser 14 TPI (2mm tooth pitch) for up to 6mm metal. I'...
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3answers
3k views

How do I cleanly cut threaded stainless .24" rods?

I have tried hack saw, manual bolt cutters, plasma cutter - all of which mess up the thread and make it tough to get the nut on. What's the best tool for this? Ideally something under $50 or ...
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2answers
84 views

Can drill replace reciprocal saw?

I need to cut some metal fence, and I don't have a reciprocal saw. I've included a picture of the fence to give you an idea of its thickness. Essentially, I'll be cutting the rail off the post. The ...
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2answers
314 views

Cutting large diameter threads

I have an extensive tap & die set, but they're mainly designed for common bolt sizes. The threads I need to cut are in (and on) metal and/or plastic pipes, or tubes; ranging between ∅49-89mm. ...
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1answer
74 views

How to ground a plasma cutter

Just bought a Zeny 50 plasma cutter and I've never used one before. I will be using it outside in a paved area. Where should I ground the big alligator cable? Should I stick a copper pipe into the ...
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3answers
2k views

What material is this toilet water supply line?

Photos of my toilet water supply line, which is the part below the valve: Without Flash [ With Flash Based on the appearance, it only fits the description of galvanized iron (which is apparently the ...
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0answers
81 views

Correcting bad band saw cuts on an aluminum bar

I am trying to make a rigid aluminum box with a top for use in a 20 ton arbor press (I do not plan to subject the box to 20 tons but it may see 4-5) to press glass fret in. I salvaged some 3/8 inch ...
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0answers
69 views

Best way to open cuts in thin steel without hitting the borders

I need to cut thin metal plates/shells: < 1mm and 1mm ~ 3mm These shells are originally curved in a dome-like surface. Basically they're bowls. I must start from the middle of the plate ...
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1answer
439 views

Cutting down blinds (Specifically metal frame - not the blind itself)

I have some blinds that have metal side pieces made from (I believe) aluminum. The sides are runners that the blinds and the handle slide up and down in. The problem is that these are about 5mm too ...
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1answer
1k views

How can I tell if I have a carbide tipped blade?

I bought a miter saw about six years ago, and haven't used it that much over the years - however, I have worn all of the labeling off of the blade, leaving no trace of the manufacturer, blade type, or ...
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8answers
10k views

How can I cut a bolt off flush with concrete in a corner?

I've got the top of an old rusty bolt sticking out the ground in a corner (see image) I've tried flattening it with a heavy hammer. Can't get a hacksaw in there. Suggestions for leveling that bolt to ...
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3answers
2k views

How do I do a straight cut of all 4 legs of a metal chair?

I need to cut the legs of my chair a bit because it is too high for me. It would not have been a problem but all legs need to be of the same length so I am looking for straight accurate cuts at the ...
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6answers
465 views

Cutting wire/cable in close quarters

I need to cut some steel wire/cable (the type that's a bunch of little wires twisted together--not sure the technical term for it). The wire is maybe a bit more than 1/16in in diameter. The access ...
2
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1answer
714 views

How to remove the top foot of inground pool wall?

I have decided to fill in my inground pool next spring, and am doing some upfront planning. My understanding of the "anatomy" of an inground pool wall is this: So as you can see, the concrete patio ...
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3answers
4k views

How to rip out inground pool's steel walls?

Planning a major house project for next spring. My wife and I decided to fill in our inground pool. Previous owners built it, but not sure when (could be anywhere from late 1970s to early 2000s, ...
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3answers
136 views

DIY machinist drilling problem

I have a metal part of a bandsaw that had a machine screw head break off. I drilled a hole and used an extraction bit and it also broke off. Due to poorly executed attempts to drill again (so I can ...
4
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6answers
6k views

Cutting structural steel

I have a few 8-9m lengths of 200x100 rectangular hollow section (5mm) and 150x150 equal angle (10mm) sitting outside. These are to be used to maintain the strength of a brick wall which is having ...
2
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1answer
7k views

How to drill Stainless Steel?

I'm doing a Half-pipe / skate ramp. I have to drill holes in a stainless tube but I wasn't able to with HSS Drill tips last night (I've followed youtube video tutorials). The stainless tube is this ...
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2answers
628 views

Cheap power tools for large number of cuts of aluminium profile lengths

I need to make some 200 cuts of aluminium profiles. Examples of what I'll be cutting: Hollow box profile, 40mm x 40mm x 3mm: 40 pieces of 400mm lengths 12 pieces of 1500mm lengths Hollow box ...