Feature:stud bolts,lifting inserts,hg/t20634 bolts 1.Sizes:75mm~500mm 2. Drive- ... ~8.0mm 2.Thickness of the fin Feature: stud bolts,lifting inserts,hg/t20634 bolts1.Sizes:75mm~500mm2. Drive-under:5 ... screws5.Outer packing: a box of a dozen stud bolts,lifting inserts,hg/t20634 bolts,bolts