... BS,non standard,etc 2) Material:Brass,copper,bronze(H59,H62,H683) High quality, high precision and reasonable price4) OEM parts 5) ISO ... ,BS,non standard,etc3) Material:Brass,copper,bronze(H59,H62,H68,etc)4) All head types and sizes are available5) Packing:Export ... customer`s requirement6) Function:Widely used in electrical parts,transformer,valve,pipe,etc.We have our own factory in Shangdong Province ...