Christopher Tidy wrote:

If you can make a large bend in the bolt before it breaks the
brittleness probably isn't going to matter.

It's a requirement that you can hammer the bolt's head onto a surface tilted
15 (IIRC) degrees (bolt sticking in a hole) without fracture. They really
aren't brittle. Just more brittle than the soft iron grades with 6 or even
worse 4.


Nick
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