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Re: Gettin' Dumber By The Minute
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Posted by Chris(WA) on July 02, 2005 at 06:25:52 from (204.182.70.237):
In Reply to: Gettin' Dumber By The Minute posted by Allan in NE on July 02, 2005 at 05:17:59:
Allen, The grade of the bolt is not coded by the color. The code is in the marks on the head of the bolt.Dashes placed radially around the face of the head. A bolt with no marks is an ungraded or grade two. Three marks is a grade five. Six marks is a grade Eight.Can't say I have ever seen a shear pin that was grade eight. Pretty tough bolt to shear off. Normally see grade two's. You want it to shear if there is a problem. Hope this helps.
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