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Ua hoʻokuʻu ʻo ASTM i kahi maʻamau hou ma 2015 (ma hope o ka hoʻokuʻu ʻia ʻana o ka 2015 ASTM Volume 01.08) e hoʻohui nei i ʻeono mau kūlana bolting structural i kēia manawa ma lalo o kahi kikoʻī umbrella. ʻO ka maʻamau hou, ASTM F3125, ua kapa ʻia ʻo "Specification for High Strength Structural Bolts, Steel and Alloy Steel, He ...Heluhelu hou aku»
