KTM 625 bent footpeg bracket

[steve burrMember]

Quick bit of light reading

http://www.osti.gov/bridge/purl.cover.jsp;jsessionid=4E1A0A9C33D4CCC11D17F3F5CC48DDE9?purl=/10173808-qsEerw/

paper linked on here states that fatigue of fasteners is not changed by tensile strength.

from arp site regarding elasticity of fasteners

http://www.arp-bolts.com/Tech/TechMetals.html

It is not a be all and end all to the argument, but Im sticking with high tensile.

[Jeffrey SmithMember]

Tensile strength and shear strength are directly related, as tensile strength goes up, so too does the shear strength. Hardness is the main concern, the higher the hardness, the lower the impact value and therefore the greater likelyhood of shear failure from any impacts.

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