9/16 X 3 1/2" GRADE 5 ZINC PLATED HEX HEAD BOLT WITH LOCK NUT
Detailed Description
9/16 x 3 1/2" Grade 5 hex head zinc plated bolt with lock nut. This bolt is typically used in leaf spring suspension systems.
Grade 5 zinc bolts are specially heat tempered to have high strength rating. They are required for certain trailer applications such as mounting couplers and attaching leaf springs.
