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  1. 8th August 2006, 12:07 PM #46
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    Andy Mac
    Andy Mac is offline Bricoleur
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    Hi Shedhand,
    You could try getting hold of a good quality drill bit, made for that purpose, ie. cobalt or similar.
    Or alternatively you can anneal the local area where the hole will go. Try laying a red hot poker on the centre punch mark and letting the steel heat through. Cool slowly, and that spot should be drillable. I've heard similar can be acheived by friction, using a 'non-drill' (like a bit of hard rod) in the drill press, then swapping to a real drill, but haven't tried that!

    Cheers,
    Andy Mac
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  3. 8th August 2006, 04:07 PM #47
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    Hey Shedhand,

    You can score the saw blade with a Dremel or even a file, or carbide-tipped awl and snap it if it is held very close to the scored line. The edge will be deformed, but a minute with a file will cure that.

    As long as you are good with sharpening drill bits, you can punch one to two holes before resharpening. Start with a really small bit, then an 1/8" and up to the size hole you will need. The cobalt and titanium bits will last longest.

    Take care, Mike
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  4. 8th August 2006, 06:43 PM #48
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    Thanks Andy and Mike. Will give the scoring a go first don't have a heat source for heating pokers and stuff. Must hunt up an old plough disc.
    If you never made a mistake, you never made anything!

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  5. 8th August 2006, 06:53 PM #49
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    G'day Sheddie,

    Nip over to Bunnies or similar and get a MAPP cylinder & torch - quite inexpensive (for small-ish usage). I fine it a very handy, if only occasionally-used, addition to the shed.
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  6. 8th August 2006, 09:51 PM #50
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    Quote Originally Posted by Auld Bassoon
    G'day Sheddie,

    Nip over to Bunnies or similar and get a MAPP cylinder & torch - quite inexpensive (for small-ish usage). I fine it a very handy, if only occasionally-used, addition to the shed.
    They are $86 and replacement cylinders are about $20. I know because I was impressed with the one the plumber had when he did my kitchen. If I'd known about them I could have bought one and still saved over $300 on his fee. And I'd have a really cool (hot?) tool to play with. (sorry brother Silent, I meant to say "with which to play" )
    Cheers
    Jim

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