Attributes . 1/2" Diameter Common Bolt, 7/16" Diameter Grade 5 Bolt, 5/16" Diameter Grade 8 Bolt, 1/2 IN Diameter Threaded Rod, One-Time Disposable Lock 4 AWG Alumoweld, BL-9 Boa Lock, 3/8" Diameter grade 40 Rebar, 3/8" Diameter (1/2" Diameter in two cycles) . Names