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In which use is a, say grade 8 bolt, stronger?
A: Forces in opposite direction along the axis of the bolt (Pulling apart)
B: Forces in opposite directions perpendicular to the bolt (shearing)
 

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Grade 8 bolts are stronger during a pull, and are more brittle on shear, compared to a lower grade that is softer. However, if you use a really low grade bolt it would breakunder a similer shear load. What the scenerio? <IMG SRC="smilies/jeep2.gif" border="0">
 

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Grade 8 bolts are stronger during a pull, and are more brittle on shear, compared to a lower grade that is softer
Wrong wrong wrong. I'm sick and tired of correcting this misconception...do a search.

To answer the question. ALL bolts are stronger in tension, than in shear. Nominally, shear strength is usualy somewhere about 60" of UTS (ultimate tensile strength)
 
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