Bethlehem Load Indicator Bolt, Booklet 3587 -

Lebanon, PA: Bethlehem Steel Corp Industrial Fastener Division. Paperback. Good+/None. Staple bound 11-pg. pamphlet, punched for 5-ring binder, with graphic illustration of a bolt on covers. Lightly soiled and creased top corner. Interior unmarked. Filled with illustrations, schematics and B&W photos. Quarto (8 1/2 x 11 ins.) The ASTM A325 high-strength structural bolt that indicates proper bolt tension, (first approved in 1949). How the bolt, washer and nut unit works, how to install and inspect it, and how the 'LIB' saves time and money. Data current as of Feb. 1982. Also included, a red card with technical table, Quick Reference Data on A325 & A490 High-Strength Structural Bolts, Card 2354, approved Sep. 1966, and stamped by an engineer; quarto (9 x 12 ins.)