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Implement Alley Discussion Forum

Re: shear bolt question

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Author  [Modern View]

07-15-2013 08:28:16

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If it"s a common bolt, no special shoulder, it"s typically a grade 2, no markings on the head. Three slashes is a grade 5, six slashes is a grade 8.

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07-15-2013 17:09:27

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 Re: shear bolt question in reply to JMS/.MN, 07-15-2013 08:28:16  
Quoting Removed, click Modern View to see

+1 on this reply. Grade #2 is what you want. It will be the smooth head with now dash markings. The Cheap grade of bolts at TSC.

FWIW: I also make a wrap or two of duct tape around the entire shearbolt jounal after installing a new bolt. Why: My post hole digger flings the bolts like a bullet when they shear. While it will not fling them at the tractor operator, it will fling them to the sides so if you have any helpers around could cause injury. Or it flings them hard enough to dent a car or metal siding on a barn. One of two wraps of duct tape helps prevent this and catches the broken pieces too boot.

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Roger in Iowa

07-15-2013 09:58:29

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 Re: shear bolt question in reply to JMS/.MN, 07-15-2013 08:28:16  
Manufacturers, if they were smart, put in a hard bolt (grade 8) so someone could not put in one harder and tear things up.

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07-15-2013 17:41:15

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 Re: shear bolt question in reply to Roger in Iowa, 07-15-2013 09:58:29  
I"m 69......never seen any mfgr put in a grade 8 shear bolt............

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07-15-2013 11:27:36

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 Re: shear bolt question in reply to Roger in Iowa, 07-15-2013 09:58:29  
But they can sell more parts when someone tears it up, or better yet they occasionally make the shear bolt a unique diameter so you need to buy it from them

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