Typically 4.6, 8.8, or 10.9 , which define tensile strength and yield points. For structural joints, refer to the Canadian Institute of Steel Construction guide . 3. Installation & Safety Rules
For detailed technical drawings and part numbers, you can refer to these downloadable PDF resources: Hilti - Technical Guide - Anchor Fastening - BuildSite j-bolt catalogue pdf
The relationship between embedment depth and pull-out resistance is non-linear and complex. J-bolt catalogues simplify this by offering pre-calculated tables. Typically 4