... ,black oxide Features: Galvanzized/Zinc Plated Indented Hex washer Head socket Tapping Screw 1.tapping screw Standard DIN6928,JIS B1123, JIS ... Head, Round Washer5. Drive systems philips, hex indent, hexgonal socket, Slotted square, and etc as per your need.6. Points JIS tapping ... . Packing inside is punny bags to avoid wet air and outside is caton and pallet packing. 25kgs/ carton, 36 cartons/ pallet. ...