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Old 16-06-15, 11:48
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Alastair McMurray
Join Date: Sep 2006
Location: Lincoln, England
Posts: 429

Not sure, a grade that is flame hardenable as I believe only the teeth are hard with a softer core for toughness. They need to be plasma profiled then final machined on a lathe for the bolt holes, ID, chamfers and tooth profile. I was quoted 175 just for a mild steel profiled blank version to trial on.

This a jpg of the CAD I did, can send you the .dwg file if you like:
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Lincoln, UK.

Under Restoration:
1944 No2 MK2 Loyd Carrier - Tracked Towing

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