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Old 03-13-2018, 12:27 PM   #65
harpo231
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Join Date: Nov 2014
Location: Lincoln City DE
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Re: New replica tow hooks!

Quote:
Originally Posted by fecklessgadfly View Post
Complete novice on this, but does the "ductile" cast iron make a difference? Is that somehow better than regular cast iron, or is he just adding random words?
Ductile refers to a more malleable steel which allows for the hook to bend and not snap off when reaching limit....

The purpose of the recovery hook is to provide a safe and secure point from which to
recover a stuck vehicle. The hook should be strong enough to enable the recovery
of a stuck vehicle, but more importantly must be designed so that if recovery forces
exceed the design forces, it fails in a safe manner. To do so the hook must bend
and release the rope. If the hook fails by breaking, the loose metal becomes a
potentially lethal missile.
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