... x 2 " press in trailer wheel bolt, yellow zinc plating, standard trailer wheel bolt for US/Canada market TRALER WHEEL BOLT/ STUDMaterial : high ... wheel bolt key dimensions: overall length 2 inch, thread length 1.130 inch, thread :1/2-20 UNF, insert length 0.380 inch, ... 75" BC , 5x 5.0"BC trailer wheel hubUse for land-trailer hub , marine trailer hub , boat trailer hub press in trailer wheel bolt/ stud