Attributes . 1/2 IN Diameter Common Bolt, 7/16 IN Diameter Grade 5 Bolt, 5/16 IN Diameter Grade 8 Bolt, 1/2 IN diameter Threaded Rod, One-Time Disposable Lock 4 AWG Alumoweld, BL-9 Boa Lock, 3/8 IN Diameter Grade 40 Rebar, 3/8 IN Diameter (1/2 IN Diameter Using Two Cycles) . Names