Name: hex bolt, haxagon head bolt, hex cap screw, hex flange bolt 1) Standard: DIN6921, IFI 111 1986 C-28, GB5787 ... Name: hex bolt, haxagon head bolt, hex cap screw, hex flange bolt 1) Standard: DIN6921, IFI 111 1986 C-28, GB5787 ... , plywood or wooden palletWe can produce various kinds of screws, bolts and nuts according to customer's requirement. And our product ...