ProX XT-BTLBX4-G8 Set of (4) 5" Length Hex Long Truss Bolts Nuts and Washers – Grade 8 (5/8"-11 x 5 NC). These Hexagonal Grade 8 bolts are ideal for connecting BoltX Bolted 12-inch Truss and most brands' bolted box truss segments. It's made from rugged yellow-plated zinc.
(4) 5" long Hex Cap Screw - Grade 8 (5/8"-11 x 5 NC)
(8) 5/8"-11 Grade 8 Hex Nut
(4) 5/8" Flat washers
(4) 5/8" Split Lock washers
BoltX and most truss brands box segments