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)

by The American Society of Mechanical Engineers Paperback details (USA). ISBN: 978-0-7918-3498-5 ISBN-10: 0-7918-3498-0 Multiple. Distributed through American National Standards Institute (ANSI) · 2013