ASME B18.2.1-2012 Square, Hex, Heavy Hex, and Askew Head Bolts and Hex, Heavy Hex, Hex Flange, Lobed Head, and Lag Screws ( Inch Series).pdfVIP

A N A M E R I C A N N A T I O N A L S TA N D A R D ASME B18.2.1-2012Square, Hex, Heavy Hex, and Ask...