Kiwi tussock
Ohh all you wise ones out there,
can you kindly suggest an appropriate grade of steel I should use to make a Cut Off !

I'd like to cheat and buy one but no one sells them in NZ

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Mike Westbrook
I bought a bent digging bar at a sale for 2 dollars best hot cut I have i cut the chisel end off and reworked the handle end to fit my Hardie 
Facebook (South mountain metal works)
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H-13 is a popular steel for such a tool.  S-7 is just below it.  But you can make it from any steel, even mild but how long it lasts goes down as carbon/alloy goes down.

Rule #10;  "I can make that" translates to; "I'm to cheap to buy it new."

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Skarzs the Cave Troll
I have used all manner of steel for cut-offs, and Hardy tools in general. I have used mild steel (if you don't mind re-dressing it or just keeping the metal hot when you use it), axle steel most commonly, jackhammer bits, and a little bit of 1 1/2 inch round stock 1060 steel.
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Norseman C.B.
4140 is my go to for that, and a lot of other tools old axels are a good source of that steel............
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axels are good. all the above works well too.
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i agree with buying an old fencing bar (digging bar) in a garage sale. Cheap and easy source of good steel for many hardy tools. 
The government cannot give to anybody anything that the government does not first take from somebody else.
Adrian Pierce Rogers
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