Does anyone understand bolts?

[SambaS]

What does LO 80 8.8 mean, written on the head of the bolt holding my bottom arms on? Thanks

[vrooom]

low tensile 800nm strength zinc plated bolt?

all info ...
http://www.qldcorvetteclub.com.au/tech/tech_talk/b...

[Big Al.]

Just plug in LO 80 8.8 bolts on your search engine all will be revealed, High Tensile Grade 8.8

[MajorProblem]

LO Is usually the class, 8.8 is the tensile strength. 8.8 is a middle of the road bolt.

[Condi]

It might be middle of the road, but to all intents and purposes its the lowest tensile Ive ever used, or seen used on most things. If you like, its the 'standard' strength for most applications unless you specifically need high tensile bolts.

[SambaS]

Okay thanks

[SV8Predator]

I find this a very useful tool:

http://lmgtfy.com/?q=bolt+head+LO+80+8.8

[velocemitch]

Condi said:

It might be middle of the road, but to all intents and purposes its the lowest tensile Ive ever used, or seen used on most things. If you like, its the 'standard' strength for most applications unless you specifically need high tensile bolts.

Not really, 4.6 is the lower grade of bolt. 8.8 as mentioned is 'middle of the road', 10.9 is better, but as you get higher like 12.9 they get less ductile and more prone to brittle fracture and can't be corrosion protected as easily.

[Mr2Mike]

Condi said:

It might be middle of the road, but to all intents and purposes its the lowest tensile Ive ever used, or seen used on most things.

It's a high tensile bolt, by definition. Non-high tensile bolts don't have a grade on the head; e.g. the kind of cheese fasteners sold by B&Q.

[xRIEx]

SV8Predator said:

I find this a very useful tool:

http://lmgtfy.com/?q=bolt+head+LO+80+8.8

And the top result is this thread.

[MajorProblem]

xRIEx said:

And the top result is this thread.

I see what you did there.