25 Jul 4 Pack of 1/2″-13 x 1-1/4 Grade 8 Heavy Duty Flange Bolts SAE J429 1.25″
SAE J429 Material and Strength Level. ASTM F788 Surface Discontinuities. Unified Threads (UNC and UNF) Class 2A. Hardness HRC 33/39. A zinc plating provides corrosion resistance for indoor and light outdoor use while maintaining clean, professional appearance....