Joined: Aug 2017 Posts: 3,329 Threads: 372
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Can anyone give me a link to something 2.7mm thick or thereabouts which has a file edge to it, please?
I have some 6 inch-ish chainsaw files which are perfect but they have no edge - they are smooth there.
Trying to file out a flat bottom to a 3mm wide indent in aluminium - any other simple ideas welcomed.
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Location: Norfolk
Car type: 1934 RP Saloon
Don't some flat needle files have a file edge on the thin edge?
Joined: Aug 2017 Posts: 3,329 Threads: 372
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yup, but when you have two hacksaw cuts to deal with 2mm apart, I need something that has a levelling quality to it - i.e. more of the hole width. My needle files are very thin and just fall into the hacksaw cuts rather than filing the ridge down!
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ah brilliant, thankyou all! Was just thinking, some needle square files might also have more useable end.
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I doubt if I am the only one looking at the wide range of suitable needle files in the workshop, and thinking, now where and when did I get any of that lot?
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Last time I needed to do something like that I used a machine hacksaw blade, I ground the set flat so that I had the correct thickness, then wound gaffer tape to make a handle. I found that pulling was more effective than pushing the blade. Best of luck
Joined: Aug 2017 Posts: 425 Threads: 30
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Location: Wellington, NZ
A piece of suitable flat metal or plastic with some wet and dry paper wrapped around it? In the past I just folded the paper into a U shape with the metal in the bottom of the U to stiffen it and give me the flat sides and bottom to sand against. For plastic modelling I use ice block sticks with the sandpaper glued to them.
Simon
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THanks. Using all the above, I think I can use the existing soft edge flat file wrapped, and that should give me nice 90 degree corners. I've ordered some more needle files though so I have a selection.
