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Author Topic: Front Caliper bolts  (Read 2285 times)

Offline sgd37

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Front Caliper bolts
« on: March 23, 2018, 04:20:43 PM »
Hi all,

Could anyone please tell me what the markings are on the bolts that hold up the caliper pivot arm to the stachion, I lost mine and i dont know what strength they need to be. #20 and #21 in the link.

https://www.cmsnl.com/honda-cb500k1-four-general-export_model14659/partslist/F06.html#results

I can see that in the cmsnl picture they have what looks like a 10 is that a 10.9 or 8.8 grade bolt.

Thanks for your help
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Offline Tomb

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Re: Front Caliper bolts
« Reply #1 on: March 23, 2018, 06:30:49 PM »
They are in shear force, the tensile strength isn't used in this application so anything 8.8 and above is way stronger than needed. I use stainless A2's in mine.
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Tom
'73 CB550 with CB500 engine café racer
'62 CB77 Sprinter
'70 CD175
'78 CB550 with sidecar
'80 Z50R
And a load of old Yamaha 1100's

Offline sgd37

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Re: Front Caliper bolts
« Reply #2 on: March 24, 2018, 10:40:22 AM »
Cheers for the answer. I like it because it's the cheapest option :)

Makes you wonder why though they opted for 8.8 on most of the bolts in shear. 
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