Are regular 14mm axles high tensile or not?

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I ask as I have an idea to use moped wheels at the front of a tadpole trike. They effectively have a "fat" tyre at 110mm wide which will combine nicely with the old Kawasaki 1000cc rear and swing arm I possess for the rear. The 'ped wheels are only 12" (that's a proper 12" for the wheel only not the cycle way of measuring including the tyre) and stand about 16.5" in total. They cost very little indeed on ebay, coming in at sub £50 for a pair of wheels, tyres and discs. The calipers will possibly require widening to cope - not expecting an issue there. The issue is the bearings accommodate a M12 bolt. I'm certain a 3/8 isn't butch enough and I know a 14mm will cope even with a porker such as myself. I'm taking a bit of a gamble here in trusting a M12 but should I get high tensile bolts or not? Are the 14mm axles high tensile? It seems that I ought to copy the tensile rating of the 14mm axles. Equally I'd rather have a failure of a bent axle than a snapped one. All advice, speculation or "that's a bad idea because"'s welcome.
 
Sturmey Archer use a 12mm axel on their one axel hubs, probably high tensil steel.
So I think you be alright.
 
Thanks for that. Sturmey list a Q/R stainless bolt as one option so that seems an obvious route to go.
 
These are the wheels I'm considering.
s-l1600.jpg
 
I have the SA 90 hubs and have used BOTH the QR pop-pin 12mm axles and have used 12mm HT bolts through the hubs.
Both worked fine on my tadpole.
 
l have used 12mm ht axles as did the late sandman on several of his builds

l have a pair of front disc wheels with 10mm 12.8 ht axles .

regards Emma
 
But, we aren't really answering your specific question I think. I don't know IF ordinary 14mm axles are HT.
 
A net trawl has reveal you can buy 14mm high tensile but they're much less common so I suspect that most are not. I'll try stainless first as a compromise between the two then move to a high tensile if I bend that. Thanks folks.
 
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