Hot DIP Galvanized U Bolt Suzhou Jinbiao Metal Science and Technology Ltd. Base Info Model NO.：M6-M24Material：Carbon SteelType：Round HeadConnection：Common BoltHead Style：RoundStandard：DIN, JIS, JbGrade：4.8Application：Building, PhotovoltaicFinish：Hot Galvanizing Description Pre：Excellent Stainless Steel 304 Slloted Step Screw Customized Next：Nice 304 Stainless Steel Cross Countersunk Head Screw
