This document provides specifications for various bolt sizes including diameter, tension strength, yield strength, proof load, elongation, and hardness based on ISO 898-1 standards. Bolt sizes range from 4.6mm to 12.9mm diameter with minimum property requirements defined for each size and grade, including B67-95 through C39-44. The bottom section lists head markings that indicate bolt grade according to ISO 898-1 and DIN931/933 standards.