This structural hexagonal bolt bolt has a length of 3-1/4" with a threading of 5/8-11 [Partially Threaded]. It is galvanized and thus provide high resistance to corrosion in dry environments as well as medium corrosion resistance in wet environments.
The Grade A325 increases its strength against the pressure and has a tensile strength and hardness of 120,000 psi | Rockwell C19. Furthermore, it features a shear strength of 72,000 psi.
UNC | Coarse threads are an industry standard. These bolts are classified as ASME B18.2.6 | ASTM A325 | ASTM F3125 and comply with dimensional standards.