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UK diy (uk.d-i-y) For the discussion of all topics related to diy (do-it-yourself) in the UK. All levels of experience and proficency are welcome to join in to ask questions or offer solutions. |
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#1
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Hole in thin steel
I want to make about a 1.25" hole in the base of a few food cans. What's the best option?
NT |
#2
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Hole in thin steel
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#3
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Hole in thin steel
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#4
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Hole in thin steel
In article ,
wrote: I want to make about a 1.25" hole in the base of a few food cans. What's the best option? A Q-Max punch. Ebay. Cheaper copies available too. Gives a nice neat hole with a safe edge on one side. -- *We are born naked, wet, and hungry. Then things get worse. Dave Plowman London SW To e-mail, change noise into sound. |
#6
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Hole in thin steel
wrote in message
... I want to make about a 1.25" hole in the base of a few food cans. What's the best option? 32mm ARMEG Acceler8%. Probably the best steel hole cutting saw I have ever used. If you have other uses for them then consider buying a kit with different sizes and spare springs etc -- Adam |
#7
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Hole in thin steel
On Tuesday, 14 June 2016 19:32:32 UTC+1, ARW wrote:
tabbypurr wrote in message ... I want to make about a 1.25" hole in the base of a few food cans. What's the best option? 32mm ARMEG Acceler8%. Probably the best steel hole cutting saw I have ever used. If you have other uses for them then consider buying a kit with different sizes and spare springs etc Surely this can be done with a knife. It's what canopeners do. The question in my mind is what sort of knife, and what to rest the can base on etc. Punches are overly expensive for a few cans, and IMLE distort the f out of what they cut. Holesaws are possible, but it sounds a painful option. NT |
#8
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Hole in thin steel
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#9
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Hole in thin steel
wrote in message
... On Tuesday, 14 June 2016 19:32:32 UTC+1, ARW wrote: tabbypurr wrote in message ... I want to make about a 1.25" hole in the base of a few food cans. What's the best option? 32mm ARMEG Acceler8%. Probably the best steel hole cutting saw I have ever used. If you have other uses for them then consider buying a kit with different sizes and spare springs etc Surely this can be done with a knife. It's what canopeners do. The question in my mind is what sort of knife, and what to rest the can base on etc. Punches are overly expensive for a few cans, and IMLE distort the f out of what they cut. Holesaws are possible, but it sounds a painful option. You have answered your own question. Buy a sharp knife and use your wrists to support the can base when cutting the hole. -- Adam |
#11
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Hole in thin steel
"Phil L" wrote in message
... wrote: I want to make about a 1.25" hole in the base of a few food cans. What's the best option? NT A flat wood bit will **** through thin metal like this. It will make a hole that is shaped like a cows ****. -- Adam |
#12
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Hole in thin steel
On 14/06/2016 17:01, wrote:
I want to make about a 1.25" hole in the base of a few food cans. What's the best option? NT In descending order of fun... https://en.wikipedia.org/wiki/Shaped_charge https://en.wikipedia.org/wiki/Laser_cutting https://en.wikipedia.org/wiki/Water_jet_cutter https://en.wikipedia.org/wiki/Electr...arge_machining HTH But seriously, for a few neat holes, Qmax or similar. Cheers -- Syd |
#13
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Hole in thin steel
wrote in message ... I want to make about a 1.25" hole in the base of a few food cans. What's the best option? Chassis punch, but not that cheap for something you are unlikely to use again any time soon. http://www.ebay.co.uk/sch/i.html?_fr...unch&_sop= 15 https://www.amazon.co.uk/MONUMENT-35...=chassis+punch |
#14
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Hole in thin steel
On Tuesday, 14 June 2016 21:10:19 UTC+1, ARW wrote:
tabbypurr wrote in message ... On Tuesday, 14 June 2016 19:32:32 UTC+1, ARW wrote: tabbypurr wrote in message ... I want to make about a 1.25" hole in the base of a few food cans. What's the best option? Surely this can be done with a knife. It's what canopeners do. The question in my mind is what sort of knife, and what to rest the can base on etc. Punches are overly expensive for a few cans, and IMLE distort the f out of what they cut. Holesaws are possible, but it sounds a painful option. You have answered your own question. Buy a sharp knife and use your wrists to support the can base when cutting the hole. I'm considering using a cheap 1/4" wood chisel. Rounded edge would be better, but not worth doing for 3 holes. Perhaps you'd hold the cans for me NT |
#15
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Hole in thin steel
On 14/06/2016 21:39, ARW wrote:
"Phil L" wrote in message ... wrote: I want to make about a 1.25" hole in the base of a few food cans. What's the best option? NT A flat wood bit will **** through thin metal like this. It will make a hole that is shaped like a cows ****. I haven't tried this with steel, but I converted a flat aluminium bowl into a lamp shade. I cut the hole for the bulb holder with a flat wood bit. It turned out nice and neat, actually. The aluminium is a bit thicker than a tin can, which might make it easier I suppose. |
#16
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Hole in thin steel
wrote in message
... On Tuesday, 14 June 2016 21:10:19 UTC+1, ARW wrote: tabbypurr wrote in message ... On Tuesday, 14 June 2016 19:32:32 UTC+1, ARW wrote: tabbypurr wrote in message ... I want to make about a 1.25" hole in the base of a few food cans. What's the best option? Surely this can be done with a knife. It's what canopeners do. The question in my mind is what sort of knife, and what to rest the can base on etc. Punches are overly expensive for a few cans, and IMLE distort the f out of what they cut. Holesaws are possible, but it sounds a painful option. You have answered your own question. Buy a sharp knife and use your wrists to support the can base when cutting the hole. I'm considering using a cheap 1/4" wood chisel. Rounded edge would be better, but not worth doing for 3 holes. Perhaps you'd hold the cans for me And you had to ask on a newsgroup how to make a rough hole in a tin can? FFS. -- Adam |
#17
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Hole in thin steel
"GB" wrote in message
... On 14/06/2016 21:39, ARW wrote: "Phil L" wrote in message ... wrote: I want to make about a 1.25" hole in the base of a few food cans. What's the best option? NT A flat wood bit will **** through thin metal like this. It will make a hole that is shaped like a cows ****. I haven't tried this with steel, but I converted a flat aluminium bowl into a lamp shade. I cut the hole for the bulb holder with a flat wood bit. It turned out nice and neat, actually. The aluminium is a bit thicker than a tin can, which might make it easier I suppose. Aluminum is also a lot softer than steel. -- Adam |
#18
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Hole in thin steel
"ARW" Wrote in message:
"Phil L" wrote in message ... wrote: I want to make about a 1.25" hole in the base of a few food cans. What's the best option? NT A flat wood bit will **** through thin metal like this. It will make a hole that is shaped like a cows ****. Er... Is that the intention? -- Jim K ----Android NewsGroup Reader---- http://usenet.sinaapp.com/ |
#19
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Hole in thin steel
On Tue, 14 Jun 2016 09:01:43 -0700 (PDT), wrote:
I want to make about a 1.25" hole in the base of a few food cans. What's the best option? Best, as in the cleanest and safest, as mentioned already, QMax cutter. Next, possibly a bigger stepped drill. Depending on the required accuracy, scribe then: Chain drill and either join the holes up with a small round file or bigger drill or thin / fine bladed jigsaw. Single hole and thin / fine metal jigsaw. Tank cutter / saw. Single small hole and 'hand nibbler'. http://www.dezmo.com/sale/hand-sheet...r-cutter-tool/ The last four finished off with a fine half round file. Cheers, T i m |
#20
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Hole in thin steel
wrote in message ... On Tuesday, 14 June 2016 19:32:32 UTC+1, ARW wrote: tabbypurr wrote in message ... I want to make about a 1.25" hole in the base of a few food cans. What's the best option? 32mm ARMEG Acceler8%. Probably the best steel hole cutting saw I have ever used. If you have other uses for them then consider buying a kit with different sizes and spare springs etc Surely this can be done with a knife. Depends on what sort of hole you want to end up with quality wise. It's what canopeners do. They only work very well when cutting the entire base of the food can away. The question in my mind is what sort of knife, and what to rest the can base on etc. You likely could get away with a big round end of a log of the same diameter as the base of the can with the can sitting on top of that and stabbing thru the metal into that if you dont care how rough the hole ends up. Punches are overly expensive for a few cans, But fine if you can borrow one. and IMLE distort the f out of what they cut. Not with a proper chassis punch. Holesaws are possible, but it sounds a painful option. You should be able to do it with a dremel if you dont need an accurate and clean hole. |
#21
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Hole in thin steel
On Tuesday, 14 June 2016 23:24:29 UTC+1, Rod Speed wrote:
tabbypurr wrote in message ... On Tuesday, 14 June 2016 19:32:32 UTC+1, ARW wrote: tabbypurr wrote in message ... I want to make about a 1.25" hole in the base of a few food cans. What's the best option? You should be able to do it with a dremel if you dont need an accurate and clean hole. Bingo! Practical, cheap & I hope not too slow. Thank you. NT |
#22
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Hole in thin steel
hole punch?
The sort you do up with an allen key then spend the rest of the day getting the washer shape out of the punch! Brian -- ----- - This newsgroup posting comes to you directly from... The Sofa of Brian Gaff... Blind user, so no pictures please! wrote in message ... I want to make about a 1.25" hole in the base of a few food cans. What's the best option? NT |
#23
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Hole in thin steel
On Tuesday, 14 June 2016 22:22:08 UTC+1, wrote:
On Tuesday, 14 June 2016 21:10:19 UTC+1, ARW wrote: tabbypurr wrote in message ... On Tuesday, 14 June 2016 19:32:32 UTC+1, ARW wrote: tabbypurr wrote in message ... I want to make about a 1.25" hole in the base of a few food cans. What's the best option? Surely this can be done with a knife. It's what canopeners do. The question in my mind is what sort of knife, and what to rest the can base on etc. Punches are overly expensive for a few cans, and IMLE distort the f out of what they cut. Holesaws are possible, but it sounds a painful option. You have answered your own question. Buy a sharp knife and use your wrists to support the can base when cutting the hole. I'm considering using a cheap 1/4" wood chisel. Rounded edge would be better, but not worth doing for 3 holes. Perhaps you'd hold the cans for me NT You can tidy the hole up using a small flapwheel or one of those small abrasive wheels that goes in a drill chuck. Or a drill file. Or a hand file fitted into a drill chuck. |
#24
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Hole in thin steel
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#25
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Hole in thin steel
writes:
I want to make about a 1.25" hole in the base of a few food cans. What's the best option? As others have said, best option is a proper punch. A more general if less tidy option is a die type sheet metal nibbler like this: http://www.rapidonline.com/RVFM-HT-2...r-Tool-86-2150 though I wish that it had a curved side instead of three straight ones. -- Jón Fairbairn http://www.chaos.org.uk/~jf/Stuff-I-dont-want.html (updated 2014-04-05) |
#26
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Hole in thin steel
On 14/06/2016 22:46, ARW wrote:
"GB" wrote in message ... On 14/06/2016 21:39, ARW wrote: "Phil L" wrote in message ... wrote: I want to make about a 1.25" hole in the base of a few food cans. What's the best option? NT A flat wood bit will **** through thin metal like this. It will make a hole that is shaped like a cows ****. I haven't tried this with steel, but I converted a flat aluminium bowl into a lamp shade. I cut the hole for the bulb holder with a flat wood bit. It turned out nice and neat, actually. The aluminium is a bit thicker than a tin can, which might make it easier I suppose. Aluminum is also a lot softer than steel. That's why I specifically mentioned it. As food cans cost nothing and flat bits are cheap (probably a few lying around), I'd try one of those before spending money on other solutions. |
#27
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Hole in thin steel
On Wednesday, 15 June 2016 08:59:45 UTC+1, Tim Lamb wrote:
In message , tabbypurr writes On Tuesday, 14 June 2016 21:10:19 UTC+1, ARW wrote: tabbypurr wrote in message ... On Tuesday, 14 June 2016 19:32:32 UTC+1, ARW wrote: tabbypurr wrote in message ... I want to make about a 1.25" hole in the base of a few food cans. What's the best option? I'm considering using a cheap 1/4" wood chisel. Rounded edge would be better, but not worth doing for 3 holes. Perhaps you'd hold the cans for me In the absence of the suggested hole cutter... mark out the required hole on the bottoms of your tins. Fix a length of squared timber (hardwood best) vertically in your bench vice and place your first tin over the end. Take your cheap but recently sharpened wood chisel and mallet and gently cut along the line. Move the tin to fresh wood as the surface becomes indented. that was the initial plan. Tidy rough edges with a flapwheel in your electric drill. dremel better I reckon. A spanner might be quickest. NT |
#28
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Hole in thin steel
On Wednesday, 15 June 2016 09:53:34 UTC+1, Jon Fairbairn wrote:
tabbypurr writes: I want to make about a 1.25" hole in the base of a few food cans. What's the best option? As others have said, best option is a proper punch. A more general if less tidy option is a die type sheet metal nibbler like this: http://www.rapidonline.com/RVFM-HT-2...r-Tool-86-2150 though I wish that it had a curved side instead of three straight ones. I'm liking it, cheers. NT |
#29
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Hole in thin steel
On Wed, 15 Jun 2016 06:29:18 +0100, "Brian Gaff"
wrote: hole punch? The sort you do up with an allen key then spend the rest of the day getting the washer shape out of the punch! grin Cheers, T i m |
#31
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Hole in thin steel
On Thursday, 16 June 2016 22:27:25 UTC+1, newshound wrote:
On 6/14/2016 8:30 PM, tabbypurr wrote: On Tuesday, 14 June 2016 19:32:32 UTC+1, ARW wrote: tabbypurr wrote in message ... I want to make about a 1.25" hole in the base of a few food cans. What's the best option? 32mm ARMEG Acceler8%. Probably the best steel hole cutting saw I have ever used. If you have other uses for them then consider buying a kit with different sizes and spare springs etc Surely this can be done with a knife. It's what canopeners do. The question in my mind is what sort of knife, and what to rest the can base on etc. No, look at how they work. They rely on being located close to the rolled seam, which is much stiffer than the relatively unsupported sheet metal in the centre of the base. The Qmax type punch relies on the fact that the two sides are maintained concentric, and they are a relatively close fit. If you want to do this repeatedly on the same sized can, you need to make a wood insert which is a reasonably close fit, then drill through from the outside with a hole saw (preferably mounted in a pillar drill), supporting the base on the wood insert. Used properly, hole punches should not distort the main part badly unless the cutter is blunt. Moly disulphide paste may help (also worth putting it on the cap screw thread). Punches are overly expensive for a few cans, and IMLE distort the f out of what they cut. Holesaws are possible, but it sounds a painful option. I used a die grinder aka dremel, took a few minutes each. Rod was right the 2nd time this century. NT |
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