We tested the lowest bolt on the bolting totem pole. Cheap red heads. ⅜” red heads broke in shear at 20.50kn and 22.24kn and 19.22kn. Please don't bolt if you don't need to and use titanium if near the ocean and never use plated steel bolts outside. With Bobby Hutton
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Highline University, Bolting Bible, Book of Slack... all the good stuff is at https://www.hownottohighline.com/
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