How to determine bolt strengthSpecified torque for standard boltsHow to determine nut strength
*: Nut with 1 or more marks on one side surface of the nut.
Hint
: use the nut with the same number of the nut strength classification or the greater than the bolt strength classification number when tightening parts with a bolt and nut.
Example: bolt = 4t nut = 4n or more
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Test yourself
A quick Toyota Corolla quiz: every answer comes with an explanation and a link to the manual page.