ASME B18.2.6 pdf download Fasteners for Use in Structural Applications 1INTRODUCTORY NOTES 1.1 Scope 1.1.1 This Standard covers the complete general and dimensional data for five products in the inch series recognized asan American National Standard.These five structural products include(a) heavy hex structural bolts: ASTM F3125/F3125M(b)heavy hex nuts: ASTM A563 and ASTM A194/A194M(c) hardened steel washers – circular, circular clipped,...