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Identifying 4F R10 Bolt 1

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Patrick1966

Patrick1966

Automotive
Joined
Mar 9, 2024
Messages
1
Location
NZ
Hi all!
I was wondering if anyone might be able to help me with identifying the 4F R10 bolt in the pictures.
I ideally would like to know the manufacturer but especially the tensile rating of it.
I have searched Google for it, but with not much luck.
Your help would be greatly appreciated!
20240309_202442_uvfpco.jpg
20240309_202450_tljl8m.jpg
 
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Those are not standardized markings. Can you provide a vehicle make and some dimensions so we can at least identify which standard the bolt falls under? ISO, JIS, DIN, or SAE.

It will be a class 8.8 or 10.9 as no other strength grades are used for hex cap screws on modern vehicles.
 
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Those 10mm head sized bolts are all over my John Deere commercial mowers.
 
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