Fastener Black Book Reference Manual;

Standard Dimensions (Drawings), Grades, Markings, Thread Identification Terminology, Conversions, Materials Classes, Equivalents, Pre-Loads, Torques, including more... The FASTENER BLACK BOOK has been manufactured with specially designed paper that offers superior protection for the rugged user. Each page is highly durable and tear resistant, in addition, each page surface is glare free for easy reading in bright conditions. If kept in your back pocket, toolbox, truck floor or used in the field or in a hard workshop environment - each page is protected against dust, wear and in the case of handling the book with greasy hands - no problem - each page is barrier protected and can easily be wiped clean without stain.